The 2005 Bihar Vidhan Sabha (Legislative Assembly) election was held to elect members to 243 assembly constituencies across the state. Janata Dal (United) emerged as the single largest party, winning 88 seats (majority mark: 122). Bharatiya Janata Party came second with 55 seats.
A total of 51,385,891 electors were registered to vote across the state. Of these, 23,559,591 votes were polled, resulting in an overall voter turnout of 45.85%. The average victory margin across all constituencies was 9,736 votes, with the closest contest decided by just 72 votes and the largest margin reaching 86,119 votes.
A total of 13 political parties won at least one seat in this election. Each constituency uses the First-Past-The-Post (FPTP) electoral system. The party or coalition winning a majority of assembly seats forms the state government and appoints the Chief Minister.
Seat breakdown: Janata Dal (United) (88), Bharatiya Janata Party (55), Rashtriya Janata Dal (54), Lok Jan Shakti Party (10), Independent (10) and 8 other parties. No single party reached the majority mark of 122 seats, requiring a coalition to form the government.
Click on any constituency name to view the full candidate-wise breakdown with individual vote counts, vote share percentages, and party affiliations.
| Sno. | Constituency | Type | State | Winner | Party | Electors | Votes | Turnout | Margin | Margin% | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2-Ramnagar-Bihar | GEN | Bihar | Chandra Mohan Rai | Bharatiya Janata Party | 200302 | 104534 | 52.20% | 919 | 0.90% | 2005 |
| 2 | 4-Bagaha-Bihar | SC | Bihar | Purnmasi Ram | Janata Dal (United) | 237157 | 119904 | 50.60% | 18391 | 15.30% | 2005 |
| 3 | 5-Lauriya-Bihar | GEN | Bihar | Pradeep Singh | Janata Dal (United) | 188125 | 98222 | 52.20% | 2024 | 2.10% | 2005 |
| 4 | 6-Nautan-Bihar | GEN | Bihar | Baidhanath Prasad Mahto | Janata Dal (United) | 195780 | 94597 | 48.30% | 5303 | 5.60% | 2005 |
| 5 | 7-Chanpatia-Bihar | GEN | Bihar | Satish Chandra Dubey | Bharatiya Janata Party | 189762 | 88836 | 46.80% | 20874 | 23.50% | 2005 |
| 6 | 8-Bettiah-Bihar | GEN | Bihar | Renu Devi | Bharatiya Janata Party | 249980 | 115271 | 46.10% | 16466 | 14.30% | 2005 |
| 7 | 9-Sikta-Bihar | GEN | Bihar | Khurshed Alias Firoz Alam | Indian National Congress | 185625 | 106074 | 57.10% | 7599 | 7.20% | 2005 |
| 8 | 10-Raxaul-Bihar | GEN | Bihar | Dr. Ajay Kumar Singh | Bharatiya Janata Party | 202531 | 96824 | 47.80% | 8449 | 8.70% | 2005 |
| 9 | 11-Sugauli-Bihar | GEN | Bihar | Ramchandra Sahni | Bharatiya Janata Party | 219751 | 110682 | 50.40% | 6605 | 6.00% | 2005 |
| 10 | 13-Harsidhi (S.C)-Bihar | GEN | Bihar | Maheshwar Singh | Lok Jan Shakti Party | 195598 | 96766 | 49.50% | 108 | 0.10% | 2005 |
| 11 | 14-Govindganj-Bihar | GEN | Bihar | Meena Devi | Janata Dal (United) | 206551 | 88872 | 43.00% | 16021 | 18.00% | 2005 |
| 12 | 15-Kesaria-Bihar | GEN | Bihar | Rajesh Kumar Raushan Urf Babloo Deo | Rashtriya Janata Dal | 204657 | 88270 | 43.10% | 978 | 1.10% | 2005 |
| 13 | 16-Kalyanpur-Bihar | GEN | Bihar | Ashwamedh Devi | Janata Dal (United) | 215557 | 103358 | 47.90% | 5927 | 5.70% | 2005 |
| 14 | 17-Pipra-Bihar | SC | Bihar | Krishnanandan Paswan | Bharatiya Janata Party | 186797 | 88950 | 47.60% | 10479 | 11.80% | 2005 |
| 15 | 18-Madhuban-Bihar | GEN | Bihar | Shivjee Rai | Janata Dal (United) | 209821 | 100669 | 48.00% | 19478 | 19.30% | 2005 |
| 16 | 19-Motihari-Bihar | GEN | Bihar | Pramod Kumar | Bharatiya Janata Party | 249145 | 123847 | 49.70% | 20703 | 16.70% | 2005 |
| 17 | 21-Dhaka-Bihar | GEN | Bihar | Awaneesh Kumar Singh | Bharatiya Janata Party | 230980 | 102474 | 44.40% | 2690 | 2.60% | 2005 |
| 18 | 22-Sheohar-Bihar | GEN | Bihar | Ajit Kumar Jha | Rashtriya Janata Dal | 210776 | 95507 | 45.30% | 205 | 0.20% | 2005 |
| 19 | 24-Bathnaha-Bihar | GEN | Bihar | Nagina Devi | Lok Jan Shakti Party | 214907 | 106368 | 49.50% | 9438 | 8.90% | 2005 |
| 20 | 26-Sursand-Bihar | GEN | Bihar | Jai Nandan Prasad Yadav | Rashtriya Janata Dal | 201324 | 94771 | 47.10% | 494 | 0.50% | 2005 |
| 21 | 28-Sitamarhi-Bihar | GEN | Bihar | Sunil Kumar Alias "pintu" | Bharatiya Janata Party | 239622 | 110668 | 46.20% | 21253 | 19.20% | 2005 |
| 22 | 29-Runnisaidpur-Bihar | GEN | Bihar | Gudi Devi | Janata Dal (United) | 214798 | 103504 | 48.20% | 14536 | 14.00% | 2005 |
| 23 | 30-Belsand-Bihar | GEN | Bihar | Sanjay Kumar Gupta | Rashtriya Janata Dal | 181159 | 84280 | 46.50% | 1383 | 1.60% | 2005 |
| 24 | 31-Harlakhi-Bihar | GEN | Bihar | Ram Naresh Pandey | Communist Party Of India | 202464 | 102017 | 50.40% | 2863 | 2.80% | 2005 |
| 25 | 32-Benipatti-Bihar | GEN | Bihar | Shaligram Yadav | Janata Dal (United) | 212369 | 91391 | 43.00% | 7378 | 8.10% | 2005 |
| 26 | 33-Khajauli-Bihar | SC | Bihar | Ram Prit Paswan | Bharatiya Janata Party | 199554 | 91482 | 45.80% | 8140 | 8.90% | 2005 |
| 27 | 34-Babubarhi-Bihar | GEN | Bihar | Kapil Deb Kamat | Janata Dal (United) | 186825 | 92458 | 49.50% | 2082 | 2.30% | 2005 |
| 28 | 35-Bisfi-Bihar | GEN | Bihar | Hari Bhushan Thakur | Independent | 209576 | 82525 | 39.40% | 6805 | 8.20% | 2005 |
| 29 | 36-Madhubani-Bihar | GEN | Bihar | Ram Deo Mahto | Bharatiya Janata Party | 226124 | 101029 | 44.70% | 11952 | 11.80% | 2005 |
| 30 | 38-Jhanjharpur-Bihar | GEN | Bihar | Nitish Mishra | Janata Dal (United) | 199558 | 87331 | 43.80% | 16660 | 19.10% | 2005 |
| 31 | 39-Phulparas-Bihar | GEN | Bihar | Deo Nath Yadav | Samajwadi Party | 190928 | 83998 | 44.00% | 4978 | 5.90% | 2005 |
| 32 | 40-Laukaha-Bihar | GEN | Bihar | Hari Prasad Sah | Janata Dal (United) | 182423 | 85440 | 46.80% | 8747 | 10.20% | 2005 |
| 33 | 43-Supaul-Bihar | GEN | Bihar | Bijendra Prasad Yadav | Janata Dal (United) | 219110 | 102495 | 46.80% | 12235 | 11.90% | 2005 |
| 34 | 44-Triveniganj-Bihar | GEN | Bihar | Vishwa Mohan Kumar | Janata Dal (United) | 181722 | 87077 | 47.90% | 7430 | 8.50% | 2005 |
| 35 | 45-Chhatapur-Bihar | SC | Bihar | Vishwa Mohan Bharti | Janata Dal (United) | 180636 | 83111 | 46.00% | 11935 | 14.40% | 2005 |
| 36 | 46-Narpatganj-Bihar | GEN | Bihar | Janardan Yadav | Bharatiya Janata Party | 222407 | 116930 | 52.60% | 4207 | 3.60% | 2005 |
| 37 | 47-Raniganj-Bihar | SC | Bihar | Ramji Das Rishidev | Bharatiya Janata Party | 223656 | 107280 | 48.00% | 4106 | 3.80% | 2005 |
| 38 | 48-Forbesganj-Bihar | GEN | Bihar | Laxmi Narayan Mehta | Bharatiya Janata Party | 231039 | 128594 | 55.70% | 6061 | 4.70% | 2005 |
| 39 | 49-Araria-Bihar | GEN | Bihar | Pradeep Kumar Singh | Bharatiya Janata Party | 209544 | 110331 | 52.70% | 3151 | 2.90% | 2005 |
| 40 | 50-Jokihat-Bihar | GEN | Bihar | Manzar Alam | Janata Dal (United) | 202555 | 105089 | 51.90% | 2526 | 2.40% | 2005 |
| 41 | 51-Sikti-Bihar | GEN | Bihar | Murli Dhar Mandal | Janata Dal (United) | 250314 | 136284 | 54.40% | 21824 | 16.00% | 2005 |
| 42 | 52-Bahadurganj-Bihar | GEN | Bihar | Md. Tousif Alam | Indian National Congress | 201468 | 94572 | 46.90% | 43021 | 45.50% | 2005 |
| 43 | 53-Thakurganj-Bihar | GEN | Bihar | Gopal Kumar Agarwal | Samajwadi Party | 231237 | 130275 | 56.30% | 6109 | 4.70% | 2005 |
| 44 | 54-Kishanganj-Bihar | GEN | Bihar | Renu Kumari | Janata Dal (United) | 177504 | 81787 | 46.10% | 21548 | 26.30% | 2005 |
| 45 | 54-Kishanganj-Bihar | GEN | Bihar | Akhatarul Iman | Rashtriya Janata Dal | 233390 | 120867 | 51.80% | 8454 | 7.00% | 2005 |
| 46 | 56-Amour-Bihar | GEN | Bihar | Abdul Jalil Mastan | Indian National Congress | 199905 | 85705 | 42.90% | 14618 | 17.10% | 2005 |
| 47 | 57-Baisi-Bihar | GEN | Bihar | Syed Ruknudin | Independent | 179740 | 94247 | 52.40% | 4111 | 4.40% | 2005 |
| 48 | 58-Kasba-Bihar | GEN | Bihar | Pradip Kumar Das | Bharatiya Janata Party | 227263 | 126822 | 55.80% | 6009 | 4.70% | 2005 |
| 49 | 59-Banmankhi-Bihar | SC | Bihar | Krishna Kumar Rishi | Bharatiya Janata Party | 195997 | 81591 | 41.60% | 8820 | 10.80% | 2005 |
| 50 | 60-Rupauli-Bihar | GEN | Bihar | Bima Bharti | Rashtriya Janata Dal | 177508 | 88272 | 49.70% | 1991 | 2.30% | 2005 |
| 51 | 61-Dhamdaha-Bihar | GEN | Bihar | Dilip Kumar Yadav | Rashtriya Janata Dal | 201623 | 99390 | 49.30% | 3597 | 3.60% | 2005 |
| 52 | 62-Purnia-Bihar | GEN | Bihar | Raj Kishore Keshri | Bharatiya Janata Party | 230411 | 118804 | 51.60% | 16579 | 14.00% | 2005 |
| 53 | 63-Katihar-Bihar | GEN | Bihar | Tar Kishor Prasad | Bharatiya Janata Party | 234237 | 118602 | 50.60% | 116 | 0.10% | 2005 |
| 54 | 64-Kadwa-Bihar | GEN | Bihar | Abdul Jalil | Nationalist Congress Party | 199514 | 111833 | 56.10% | 12536 | 11.20% | 2005 |
| 55 | 66-Pranpur-Bihar | GEN | Bihar | Mahendra Narayan Yadav | Rashtriya Janata Dal | 180380 | 101068 | 56.00% | 4386 | 4.30% | 2005 |
| 56 | 67-Manihari-Bihar | GEN | Bihar | Mubarak Hussain | Indian National Congress | 159771 | 84547 | 52.90% | 1284 | 1.50% | 2005 |
| 57 | 68-Barari-Bihar | GEN | Bihar | Bibhash Chandra. Chaudhary | Bharatiya Janata Party | 178836 | 104698 | 58.50% | 3163 | 3.00% | 2005 |
| 58 | 69-Korha-Bihar | SC | Bihar | Sunita Devi | Indian National Congress | 192974 | 108471 | 56.20% | 12149 | 11.20% | 2005 |
| 59 | 70-Alamnagar-Bihar | GEN | Bihar | Narendra Nr. Yadav | Janata Dal (United) | 192788 | 86876 | 45.10% | 10087 | 11.60% | 2005 |
| 60 | 72-Singheshwar-Bihar | GEN | Bihar | Rameshwar Prasad Yadav | Janata Dal (United) | 204124 | 81894 | 40.10% | 931 | 1.10% | 2005 |
| 61 | 73-Madhepura-Bihar | GEN | Bihar | Manindra Kumar Mandal | Janata Dal (United) | 224707 | 88790 | 39.50% | 7872 | 8.90% | 2005 |
| 62 | 75-Saharsa-Bihar | GEN | Bihar | Sajeev Kumar Jha | Bharatiya Janata Party | 248520 | 104336 | 42.00% | 6159 | 5.90% | 2005 |
| 63 | 76-Simri Bakhtiarpur-Bihar | GEN | Bihar | Dinesh Chandra Yadav | Janata Dal (United) | 206867 | 93990 | 45.40% | 8062 | 8.60% | 2005 |
| 64 | 77-Mahishi-Bihar | GEN | Bihar | Gunjeshwar Sah | Janata Dal (United) | 227251 | 84072 | 37.00% | 6883 | 8.20% | 2005 |
| 65 | 82-Darbhanga Rural-Bihar | SC | Bihar | Pitamber Paswan | Rashtriya Janata Dal | 193451 | 84423 | 43.60% | 10394 | 12.30% | 2005 |
| 66 | 83-Darbhanga-Bihar | GEN | Bihar | Sanjay Saraogi | Bharatiya Janata Party | 209630 | 99154 | 47.30% | 24983 | 25.20% | 2005 |
| 67 | 84-Hayaghat-Bihar | GEN | Bihar | Harinandan Yadav | Rashtriya Janata Dal | 184696 | 84170 | 45.60% | 1924 | 2.30% | 2005 |
| 68 | 86-Keoti-Bihar | GEN | Bihar | Ashok Kumar Yadav | Bharatiya Janata Party | 231807 | 96210 | 41.50% | 6652 | 6.90% | 2005 |
| 69 | 87-Jale-Bihar | GEN | Bihar | Ram Niwas Pd. | Rashtriya Janata Dal | 215674 | 87811 | 40.70% | 204 | 0.20% | 2005 |
| 70 | 88-Gaighat-Bihar | GEN | Bihar | Maheshwar Prasad Yadav | Rashtriya Janata Dal | 188769 | 86280 | 45.70% | 3313 | 3.80% | 2005 |
| 71 | 89-Aurai-Bihar | GEN | Bihar | Arjun Ray | Janata Dal (United) | 180255 | 82082 | 45.50% | 31370 | 38.20% | 2005 |
| 72 | 90-Minapur-Bihar | GEN | Bihar | Dinesh Prasad | Janata Dal (United) | 194381 | 96598 | 49.70% | 11504 | 11.90% | 2005 |
| 73 | 91-Bochaha-Bihar | SC | Bihar | Ramai Ram | Rashtriya Janata Dal | 216580 | 111358 | 51.40% | 5780 | 5.20% | 2005 |
| 74 | 92-Sakra-Bihar | SC | Bihar | Bilat Paswan | Janata Dal (United) | 181797 | 93635 | 51.50% | 72 | 0.10% | 2005 |
| 75 | 93-Kurhani-Bihar | GEN | Bihar | Manoj Kumar Singh | Janata Dal (United) | 198326 | 104791 | 52.80% | 8390 | 8.00% | 2005 |
| 76 | 94-Muzaffarpur-Bihar | GEN | Bihar | Vijendra Choudhary | Independent | 273876 | 115663 | 42.20% | 24838 | 21.50% | 2005 |
| 77 | 95-Kanti-Bihar | GEN | Bihar | Ajit Kumar | Janata Dal (United) | 188846 | 98620 | 52.20% | 10203 | 10.30% | 2005 |
| 78 | 96-Baruraj-Bihar | GEN | Bihar | Shashi Kumar Ray | Janata Dal (United) | 201168 | 97323 | 48.40% | 2974 | 3.10% | 2005 |
| 79 | 98-Sahebganj-Bihar | GEN | Bihar | Raju Kumar Singh | Janata Dal (United) | 192800 | 101756 | 52.80% | 5268 | 5.20% | 2005 |
| 80 | 99-Baikunthpur-Bihar | GEN | Bihar | Deo Dutt Prasad | Rashtriya Janata Dal | 220582 | 104536 | 47.40% | 6657 | 6.40% | 2005 |
| 81 | 100-Barauli-Bihar | GEN | Bihar | Ram Pravesh Rai | Bharatiya Janata Party | 198827 | 97449 | 49.00% | 1154 | 1.20% | 2005 |
| 82 | 101-Gopalganj-Bihar | GEN | Bihar | Shubash Singh | Bharatiya Janata Party | 227192 | 106688 | 47.00% | 7934 | 7.40% | 2005 |
| 83 | 103-Bhorey-Bihar | SC | Bihar | Anil Kumar | Rashtriya Janata Dal | 221501 | 92023 | 41.50% | 5891 | 6.40% | 2005 |
| 84 | 105-Siwan-Bihar | GEN | Bihar | Byasdeo Prasad | Bharatiya Janata Party | 205998 | 99574 | 48.30% | 3169 | 3.20% | 2005 |
| 85 | 106-Ziradei-Bihar | GEN | Bihar | Shyam Bahadur Singh | Janata Dal (United) | 171051 | 85706 | 50.10% | 14380 | 16.80% | 2005 |
| 86 | 107-Darauli-Bihar | GEN | Bihar | Amar Nath Yadav | Communist Party Of India (MARXIST-LENINIST) (LIBERATION) | 191204 | 93165 | 48.70% | 4008 | 4.30% | 2005 |
| 87 | 108-Raghunathpur-Bihar | GEN | Bihar | Jagmato Devi | Janata Dal (United) | 198043 | 94387 | 47.70% | 20857 | 22.10% | 2005 |
| 88 | 111-Goriakothi-Bihar | GEN | Bihar | Indradeo Prasad | Rashtriya Janata Dal | 179367 | 88683 | 49.40% | 4019 | 4.50% | 2005 |
| 89 | 112-Maharajganj-Bihar | GEN | Bihar | Damodar Singh | Janata Dal (United) | 179414 | 86601 | 48.30% | 12966 | 15.00% | 2005 |
| 90 | 114-Manjhi-Bihar | GEN | Bihar | Gautam Singh | Janata Dal (United) | 193201 | 89734 | 46.40% | 1380 | 1.50% | 2005 |
| 91 | 115-Baniapur-Bihar | GEN | Bihar | Manoranjan Singh | Janata Dal (United) | 184247 | 82733 | 44.90% | 2653 | 3.20% | 2005 |
| 92 | 116-Taraiya-Bihar | GEN | Bihar | Ram Das Roy | Rashtriya Janata Dal | 185883 | 83562 | 45.00% | 6813 | 8.20% | 2005 |
| 93 | 117-Marhaura-Bihar | GEN | Bihar | Lal Babu Ray | Independent | 181745 | 84553 | 46.50% | 22499 | 26.60% | 2005 |
| 94 | 118-Chapra-Bihar | GEN | Bihar | Ram Pravesh Ray | Janata Dal (United) | 225881 | 101561 | 45.00% | 3628 | 3.60% | 2005 |
| 95 | 119-Garkha-Bihar | SC | Bihar | Gyan Chand Manjhi | Bharatiya Janata Party | 182834 | 82771 | 45.30% | 1817 | 2.20% | 2005 |
| 96 | 121-Parsa-Bihar | GEN | Bihar | Chhote Lal Rai | Janata Dal (United) | 203759 | 85974 | 42.20% | 10373 | 12.10% | 2005 |
| 97 | 122-Sonepur-Bihar | GEN | Bihar | Ramanuj Prasad | Rashtriya Janata Dal | 205012 | 98391 | 48.00% | 1113 | 1.10% | 2005 |
| 98 | 123-Hajipur-Bihar | GEN | Bihar | Nityanand Roy | Bharatiya Janata Party | 231700 | 109065 | 47.10% | 15258 | 14.00% | 2005 |
| 99 | 124-Lalganj-Bihar | GEN | Bihar | Vijay Kumar Shukla | Janata Dal (United) | 196722 | 93521 | 47.50% | 3810 | 4.10% | 2005 |
| 100 | 125-Vaishali-Bihar | GEN | Bihar | Brishin Patel | Janata Dal (United) | 200725 | 94429 | 47.00% | 2495 | 2.60% | 2005 |
| 101 | 126-Mahua-Bihar | SC | Bihar | Shiv Chand Ram | Rashtriya Janata Dal | 186619 | 92812 | 49.70% | 7015 | 7.60% | 2005 |
| 102 | 128-Raghopur-Bihar | GEN | Bihar | Niraj Kumar Singh "bablu" | Janata Dal (United) | 218426 | 116333 | 53.30% | 19388 | 16.70% | 2005 |
| 103 | 128-Raghopur-Bihar | GEN | Bihar | Rabri Devi | Rashtriya Janata Dal | 215001 | 84822 | 39.50% | 5290 | 6.20% | 2005 |
| 104 | 129-Mahnar-Bihar | GEN | Bihar | Rama Kishore Singh | Lok Jan Shakti Party | 196887 | 93672 | 47.60% | 4674 | 5.00% | 2005 |
| 105 | 130-Patepur-Bihar | SC | Bihar | Prema Choudhary | Rashtriya Janata Dal | 195714 | 89481 | 45.70% | 3516 | 3.90% | 2005 |
| 106 | 132-Warisnagar-Bihar | SC | Bihar | Maheshwar Hazari | Lok Jan Shakti Party | 191056 | 91396 | 47.80% | 3679 | 4.00% | 2005 |
| 107 | 133-Samastipur-Bihar | GEN | Bihar | Ramnath Thakur | Janata Dal (United) | 238529 | 107947 | 45.30% | 13182 | 12.20% | 2005 |
| 108 | 136-Sarairanjan-Bihar | GEN | Bihar | Ramchandra Singh Nishad | Rashtriya Janata Dal | 236874 | 107476 | 45.40% | 9270 | 8.60% | 2005 |
| 109 | 137-Mohiuddinnagar-Bihar | GEN | Bihar | Ajai Kumar Bulganin | Rashtriya Janata Dal | 235181 | 102364 | 43.50% | 6071 | 5.90% | 2005 |
| 110 | 138-Bibhutipur-Bihar | GEN | Bihar | Ram Deo Verma | Communist Party Of India (MARXIST) | 238682 | 125095 | 52.40% | 12751 | 10.20% | 2005 |
| 111 | 139-Rosera-Bihar | GEN | Bihar | Gajendra Prasad Singh | Rashtriya Janata Dal | 194651 | 97890 | 50.30% | 3132 | 3.20% | 2005 |
| 112 | 140-Hasanpur-Bihar | GEN | Bihar | Sunil Kumar Pushpam | Rashtriya Janata Dal | 184600 | 85216 | 46.20% | 7438 | 8.70% | 2005 |
| 113 | 141-Cheria Bariarpur-Bihar | GEN | Bihar | Anil Chaudhary | Lok Jan Shakti Party | 186642 | 95945 | 51.40% | 533 | 0.60% | 2005 |
| 114 | 142-Bachhwara-Bihar | GEN | Bihar | Ramdeo Rai | Indian National Congress | 194151 | 102280 | 52.70% | 3018 | 3.00% | 2005 |
| 115 | 144-Matihani-Bihar | GEN | Bihar | Narendar Kumar Singh | Independent | 191557 | 100291 | 52.40% | 22388 | 22.30% | 2005 |
| 116 | 146-Begusarai-Bihar | GEN | Bihar | Bhola Singh | Bharatiya Janata Party | 228771 | 109670 | 47.90% | 12035 | 11.00% | 2005 |
| 117 | 147-Bakhri-Bihar | SC | Bihar | Ram Binod Paswan | Communist Party Of India | 184261 | 90407 | 49.10% | 13767 | 15.20% | 2005 |
| 118 | 148-Alauli-Bihar | SC | Bihar | Pashupati Kumar Paras | Lok Jan Shakti Party | 192525 | 87423 | 45.40% | 8577 | 9.80% | 2005 |
| 119 | 149-Khagaria-Bihar | GEN | Bihar | Poonam Devi (YADAV) | Janata Dal (United) | 211996 | 98055 | 46.30% | 11054 | 11.30% | 2005 |
| 120 | 151-Parbatta-Bihar | GEN | Bihar | Ramanand Prasad Singh | Janata Dal (United) | 205136 | 103437 | 50.40% | 4145 | 4.00% | 2005 |
| 121 | 152-Bihpur-Bihar | GEN | Bihar | Shailesh Kumar Alias Bulo Mandal | Rashtriya Janata Dal | 180850 | 80077 | 44.30% | 442 | 0.60% | 2005 |
| 122 | 153-Gopalpur-Bihar | GEN | Bihar | Narendra Kr. Niraj | Janata Dal (United) | 211342 | 95881 | 45.40% | 15012 | 15.70% | 2005 |
| 123 | 154-Pirpainti-Bihar | GEN | Bihar | Shobha Kant Mandal | Rashtriya Janata Dal | 224972 | 114909 | 51.10% | 1455 | 1.30% | 2005 |
| 124 | 156-Bhagalpur-Bihar | GEN | Bihar | Ashwini Kumar Choubey | Bharatiya Janata Party | 262277 | 92388 | 35.20% | 21777 | 23.60% | 2005 |
| 125 | 157-Sultanganj-Bihar | SC | Bihar | Sudhanshu Shekhar Bhaskar | Janata Dal (United) | 249110 | 103251 | 41.40% | 11696 | 11.30% | 2005 |
| 126 | 158-Nathnagar-Bihar | GEN | Bihar | Sudha Shrivastav | Janata Dal (United) | 247276 | 114485 | 46.30% | 4435 | 3.90% | 2005 |
| 127 | 159-Amarpur-Bihar | GEN | Bihar | Surendra Prasad Singh | Rashtriya Janata Dal | 217598 | 88385 | 40.60% | 2401 | 2.70% | 2005 |
| 128 | 160-Dhauraiya-Bihar | SC | Bihar | Bhudeo Choudhary | Janata Dal (United) | 211592 | 102095 | 48.30% | 18230 | 17.90% | 2005 |
| 129 | 161-Banka-Bihar | GEN | Bihar | Ram Narayan Mandal | Bharatiya Janata Party | 200897 | 94808 | 47.20% | 9270 | 9.80% | 2005 |
| 130 | 162-Katoria-Bihar | GEN | Bihar | Raj Kishor Prasad Urf Pappu Yadav | Rashtriya Janata Dal | 212654 | 106534 | 50.10% | 80 | 0.10% | 2005 |
| 131 | 163-Belhar-Bihar | GEN | Bihar | Janardan Manjhi | Janata Dal (United) | 184840 | 81203 | 43.90% | 5828 | 7.20% | 2005 |
| 132 | 164-Tarapur-Bihar | GEN | Bihar | Shakuni Chaudhury | Rashtriya Janata Dal | 185433 | 79329 | 42.80% | 611 | 0.80% | 2005 |
| 133 | 166-Jamalpur-Bihar | GEN | Bihar | Shailesh Kumar | Janata Dal (United) | 209145 | 90656 | 43.30% | 32706 | 36.10% | 2005 |
| 134 | 167-Surajgarha-Bihar | GEN | Bihar | Prem Ranjan Patel | Bharatiya Janata Party | 231615 | 101876 | 44.00% | 2464 | 2.40% | 2005 |
| 135 | 168-Lakhisarai-Bihar | GEN | Bihar | Phulena Singh | Rashtriya Janata Dal | 248298 | 102923 | 41.50% | 80 | 0.10% | 2005 |
| 136 | 169-Sheikhpura-Bihar | GEN | Bihar | Sunila Devi | Indian National Congress | 221152 | 81912 | 37.00% | 12448 | 15.20% | 2005 |
| 137 | 170-Barbigha-Bihar | SC | Bihar | Ramsundar Ram Kanaujia | Janata Dal (United) | 195552 | 70649 | 36.10% | 9673 | 13.70% | 2005 |
| 138 | 171-Asthawan-Bihar | GEN | Bihar | Jitendra Kumar | Janata Dal (United) | 196594 | 72858 | 37.10% | 15486 | 21.30% | 2005 |
| 139 | 172-Biharsharif-Bihar | GEN | Bihar | Dr. Sunil Kumar | Janata Dal (United) | 272463 | 114302 | 42.00% | 23407 | 20.50% | 2005 |
| 140 | 173-Rajgir-Bihar | SC | Bihar | Satyadeo Narain Arya | Bharatiya Janata Party | 193051 | 63264 | 32.80% | 26016 | 41.10% | 2005 |
| 141 | 174-Islampur-Bihar | GEN | Bihar | Ramswaroop Prasad | Janata Dal (United) | 218651 | 90704 | 41.50% | 19098 | 21.10% | 2005 |
| 142 | 175-Hilsa-Bihar | GEN | Bihar | Ramcharitra Prasad Singh | Janata Dal (United) | 208624 | 86717 | 41.60% | 12260 | 14.10% | 2005 |
| 143 | 176-Nalanda-Bihar | GEN | Bihar | Shrawon Kumar | Janata Dal (United) | 189081 | 80979 | 42.80% | 4050 | 5.00% | 2005 |
| 144 | 177-Harnaut-Bihar | GEN | Bihar | Sunil Kumar | Janata Dal (United) | 188436 | 72379 | 38.40% | 32593 | 45.00% | 2005 |
| 145 | 179-Barh-Bihar | GEN | Bihar | Gyanendra Kumar Singh | Janata Dal (United) | 220691 | 90469 | 41.00% | 13636 | 15.10% | 2005 |
| 146 | 180-Bakhtiarpur-Bihar | GEN | Bihar | Vinode Yadav | Bharatiya Janata Party | 216548 | 88912 | 41.10% | 3055 | 3.40% | 2005 |
| 147 | 185-Fatuha-Bihar | SC | Bihar | Saryug Paswan | Janata Dal (United) | 210824 | 88149 | 41.80% | 10064 | 11.40% | 2005 |
| 148 | 187-Maner-Bihar | GEN | Bihar | Shrikant Nirala | Rashtriya Janata Dal | 215323 | 94226 | 43.80% | 4131 | 4.40% | 2005 |
| 149 | 188-Phulwari-Bihar | SC | Bihar | Shyam Rajak | Rashtriya Janata Dal | 289609 | 116669 | 40.30% | 579 | 0.50% | 2005 |
| 150 | 189-Masaurhi-Bihar | GEN | Bihar | Punam Devi | Janata Dal (United) | 230836 | 101942 | 44.20% | 11267 | 11.10% | 2005 |
| 151 | 190-Paliganj-Bihar | GEN | Bihar | Nand Kumar Nanda | Communist Party Of India (MARXIST-LENINIST) (LIBERATION) | 225472 | 99840 | 44.30% | 892 | 0.90% | 2005 |
| 152 | 191-Bikram-Bihar | GEN | Bihar | Anil Kumar | Bharatiya Janata Party | 208286 | 95334 | 45.80% | 14173 | 14.90% | 2005 |
| 153 | 192-Sandesh-Bihar | GEN | Bihar | Vijendra Kumar Yadav | Rashtriya Janata Dal | 207761 | 103537 | 49.80% | 11493 | 11.10% | 2005 |
| 154 | 193-Barhara-Bihar | GEN | Bihar | Asha Devi | Janata Dal (United) | 222992 | 100787 | 45.20% | 3184 | 3.20% | 2005 |
| 155 | 194-Arrah-Bihar | GEN | Bihar | Amrendra Pratap Singh | Bharatiya Janata Party | 250686 | 113353 | 45.20% | 15152 | 13.40% | 2005 |
| 156 | 197-Jagdishpur-Bihar | GEN | Bihar | Sri Bhagwan Singh | Janata Dal (United) | 217320 | 101771 | 46.80% | 1103 | 1.10% | 2005 |
| 157 | 198-Shahpur-Bihar | GEN | Bihar | Munni Devi | Bharatiya Janata Party | 227652 | 95039 | 41.70% | 2807 | 3.00% | 2005 |
| 158 | 199-Brahampur-Bihar | GEN | Bihar | Ajeet Chaudhari | Rashtriya Janata Dal | 219505 | 92061 | 41.90% | 6884 | 7.50% | 2005 |
| 159 | 200-Buxar-Bihar | GEN | Bihar | Hriday Narayan Singh | Bahujan Samaj Party | 207775 | 102267 | 49.20% | 1027 | 1.00% | 2005 |
| 160 | 201-Dumraon-Bihar | GEN | Bihar | Dadan Singh | Akhil Jan Vikas Dal | 204959 | 104200 | 50.80% | 8505 | 8.20% | 2005 |
| 161 | 202-Rajpur-Bihar | SC | Bihar | Shyam Payari Devi | Janata Dal (United) | 175887 | 88927 | 50.60% | 5700 | 6.40% | 2005 |
| 162 | 203-Ramgarh-Bihar | GEN | Bihar | Jagadanand Singh | Rashtriya Janata Dal | 199444 | 106261 | 53.30% | 21817 | 20.50% | 2005 |
| 163 | 204-Mohania-Bihar | SC | Bihar | Chhedi Paswan | Janata Dal (United) | 220349 | 114014 | 51.70% | 14162 | 12.40% | 2005 |
| 164 | 206-Chainpur-Bihar | GEN | Bihar | Mahabali Singh | Rashtriya Janata Dal | 187731 | 110836 | 59.00% | 1916 | 1.70% | 2005 |
| 165 | 207-Chenari-Bihar | SC | Bihar | Lalan Paswan | Janata Dal (United) | 234484 | 116693 | 49.80% | 17741 | 15.20% | 2005 |
| 166 | 208-Sasaram-Bihar | GEN | Bihar | Jawahar Prasad | Bharatiya Janata Party | 252777 | 118553 | 46.90% | 9825 | 8.30% | 2005 |
| 167 | 210-Dinara-Bihar | GEN | Bihar | Sita Sundari Devi | Bahujan Samaj Party | 206327 | 111434 | 54.00% | 884 | 0.80% | 2005 |
| 168 | 211-Nokha-Bihar | GEN | Bihar | Rameshwar Prasad | Bharatiya Janata Party | 214170 | 103783 | 48.50% | 11389 | 11.00% | 2005 |
| 169 | 212-Dehri-Bihar | GEN | Bihar | Pradeep Kumar Joshi | Independent | 221438 | 119391 | 53.90% | 43277 | 36.20% | 2005 |
| 170 | 213-Karakat-Bihar | GEN | Bihar | Arun Singh | Communist Party Of India (MARXIST-LENINIST) (LIBERATION) | 217174 | 104256 | 48.00% | 13546 | 13.00% | 2005 |
| 171 | 214-Arwal-Bihar | GEN | Bihar | Dular Chand Singh | Lok Jan Shakti Party | 205562 | 89351 | 43.50% | 8439 | 9.40% | 2005 |
| 172 | 215-Kurtha-Bihar | GEN | Bihar | Suchitra Sinha | Janata Dal (United) | 203847 | 81732 | 40.10% | 12792 | 15.70% | 2005 |
| 173 | 216-Jehanabad-Bihar | GEN | Bihar | Sachita Nand Yadav | Rashtriya Janata Dal | 221280 | 79352 | 35.90% | 4481 | 5.60% | 2005 |
| 174 | 217-Ghosi-Bihar | GEN | Bihar | Jagdish Sharma | Janata Dal (United) | 209561 | 94039 | 44.90% | 29120 | 31.00% | 2005 |
| 175 | 218-Makhdumpur-Bihar | GEN | Bihar | Krishnandan Prasad Varma | Rashtriya Janata Dal | 197813 | 80205 | 40.50% | 8624 | 10.80% | 2005 |
| 176 | 219-Goh-Bihar | GEN | Bihar | Dr. Ran Vijay Kumar | Janata Dal (United) | 191489 | 92540 | 48.30% | 3930 | 4.20% | 2005 |
| 177 | 220-Obra-Bihar | GEN | Bihar | Satayanarayan Singh | Rashtriya Janata Dal | 218543 | 111492 | 51.00% | 8595 | 7.70% | 2005 |
| 178 | 221-Nabinagar-Bihar | GEN | Bihar | Vijay Kumar Singh | Lok Jan Shakti Party | 214451 | 104956 | 48.90% | 4754 | 4.50% | 2005 |
| 179 | 223-Aurangabad-Bihar | GEN | Bihar | Ramadhar Singh | Bharatiya Janata Party | 254803 | 117788 | 46.20% | 19860 | 16.90% | 2005 |
| 180 | 224-Rafiganj-Bihar | GEN | Bihar | Md. Nehaluddin | Rashtriya Janata Dal | 189142 | 80229 | 42.40% | 3810 | 4.70% | 2005 |
| 181 | 225-Gurua-Bihar | GEN | Bihar | Shakeel Ahmad Khan | Rashtriya Janata Dal | 208394 | 89177 | 42.80% | 1580 | 1.80% | 2005 |
| 182 | 227-Imamganj-Bihar | SC | Bihar | Uday Narayan Chaudhry | Janata Dal (United) | 192278 | 75762 | 39.40% | 6642 | 8.80% | 2005 |
| 183 | 228-Barachatti-Bihar | SC | Bihar | Jitan Ram Manjhi | Janata Dal (United) | 206803 | 81859 | 39.60% | 4142 | 5.10% | 2005 |
| 184 | 229-Bodh Gaya-Bihar | SC | Bihar | Hari Manjhi | Bharatiya Janata Party | 202994 | 78626 | 38.70% | 1713 | 2.20% | 2005 |
| 185 | 230-Gaya Town-Bihar | GEN | Bihar | Prem Kumar | Bharatiya Janata Party | 265442 | 82598 | 31.10% | 24891 | 30.10% | 2005 |
| 186 | 232-Belaganj-Bihar | GEN | Bihar | Surendra Prasad Yadav | Rashtriya Janata Dal | 197256 | 75686 | 38.40% | 6350 | 8.40% | 2005 |
| 187 | 233-Atri-Bihar | GEN | Bihar | Kunti Devi | Rashtriya Janata Dal | 219612 | 83309 | 37.90% | 2922 | 3.50% | 2005 |
| 188 | 235-Rajauli-Bihar | SC | Bihar | Banwari Ram | Bharatiya Janata Party | 227216 | 97175 | 42.80% | 9077 | 9.30% | 2005 |
| 189 | 236-Hisua-Bihar | GEN | Bihar | Anil Singh | Bharatiya Janata Party | 199222 | 80205 | 40.30% | 16467 | 20.50% | 2005 |
| 190 | 237-Nawada-Bihar | GEN | Bihar | Purnima Yadav | Independent | 285804 | 118115 | 41.30% | 2004 | 1.70% | 2005 |
| 191 | 238-Gobindpur-Bihar | GEN | Bihar | Kaushal Yadav | Independent | 208633 | 88683 | 42.50% | 15276 | 17.20% | 2005 |
| 192 | 239-Warsaliganj-Bihar | GEN | Bihar | Pradip Kumar | Independent | 219321 | 88457 | 40.30% | 555 | 0.60% | 2005 |
| 193 | 240-Sikandra-Bihar | SC | Bihar | Rameshwar Paswan | Janata Dal (United) | 227736 | 78239 | 34.40% | 15365 | 19.60% | 2005 |
| 194 | 241-Jamui-Bihar | GEN | Bihar | Abhay Singh | Janata Dal (United) | 242872 | 105054 | 43.30% | 9090 | 8.70% | 2005 |
| 195 | 242-Jhajha-Bihar | GEN | Bihar | Damodar Rawat | Janata Dal (United) | 188420 | 84624 | 44.90% | 12344 | 14.60% | 2005 |
| 196 | 243-Chakai-Bihar | GEN | Bihar | Phalguni Prasad Yadav | Bharatiya Janata Party | 213570 | 93055 | 43.60% | 5683 | 6.10% | 2005 |
| 197 | 295-Adapur-Bihar | GEN | Bihar | Shyam Bihari Prasad | Janata Dal (United) | 211223 | 110185 | 52.20% | 16008 | 14.50% | 2005 |
| 198 | 296-Bahera-Bihar | GEN | Bihar | Abdul Bari Siddiqui | Rashtriya Janata Dal | 196358 | 86936 | 44.30% | 7814 | 9.00% | 2005 |
| 199 | 297-Baheri-Bihar | GEN | Bihar | Hare Krishna Yadav | Rashtriya Janata Dal | 224526 | 94035 | 41.90% | 6955 | 7.40% | 2005 |
| 200 | 298-Balia-Bihar | GEN | Bihar | Jamshed Asraf | Janata Dal (United) | 190714 | 92613 | 48.60% | 17995 | 19.40% | 2005 |
| 201 | 299-Barauni-Bihar | GEN | Bihar | Rajendra Prasad Singh | Communist Party Of India | 219751 | 96344 | 43.80% | 4957 | 5.10% | 2005 |
| 202 | 300-Barsoi-Bihar | GEN | Bihar | Munnaf Alam | Communist Party Of India (MARXIST-LENINIST) (LIBERATION) | 215430 | 119617 | 55.50% | 1837 | 1.50% | 2005 |
| 203 | 301-Basantpur-Bihar | GEN | Bihar | Manikchand Rai | Rashtriya Janata Dal | 202939 | 100170 | 49.40% | 14785 | 14.80% | 2005 |
| 204 | 302-Bhabhua-Bihar | GEN | Bihar | Ram Chandra Singh Yadav | Bahujan Samaj Party | 240316 | 128127 | 53.30% | 5828 | 4.50% | 2005 |
| 205 | 303-Bikramganj-Bihar | GEN | Bihar | Jai Kumar Singh | Janata Dal (United) | 222641 | 100244 | 45.00% | 3741 | 3.70% | 2005 |
| 206 | 304-Chandi-Bihar | GEN | Bihar | Hari Narayan Singh | Janata Dal (United) | 165152 | 71468 | 43.30% | 24256 | 33.90% | 2005 |
| 207 | 305-Chautham-Bihar | GEN | Bihar | Panna Lal Singh 'patel' | Janata Dal (United) | 204018 | 98247 | 48.20% | 1022 | 1.00% | 2005 |
| 208 | 306-Colgong-Bihar | GEN | Bihar | Ajay Kumar Mandal | Janata Dal (United) | 245125 | 122949 | 50.20% | 13572 | 11.00% | 2005 |
| 209 | 307-Dalsinghsarai-Bihar | GEN | Bihar | Ram Lakhan Mahto | Rashtriya Janata Dal | 230174 | 115322 | 50.10% | 2572 | 2.20% | 2005 |
| 210 | 308-Deo-Bihar | SC | Bihar | Renu Devi | Janata Dal (United) | 199369 | 89444 | 44.90% | 835 | 0.90% | 2005 |
| 211 | 309-Dhanaha-Bihar | GEN | Bihar | Rajesh Singh | Rashtriya Janata Dal | 120846 | 59357 | 49.10% | 1464 | 2.50% | 2005 |
| 212 | 310-Dinapur-Bihar | GEN | Bihar | Asha Devi | Bharatiya Janata Party | 247905 | 96110 | 38.80% | 17162 | 17.90% | 2005 |
| 213 | 311-Fatehpur-Bihar | SC | Bihar | Ajay Paswan | Rashtriya Janata Dal | 212459 | 75956 | 35.80% | 2823 | 3.70% | 2005 |
| 214 | 312-Gaya Mufassil-Bihar | GEN | Bihar | Awadesh Kumar Singh | Indian National Congress | 208546 | 91772 | 44.00% | 2665 | 2.90% | 2005 |
| 215 | 313-Ghanshyampur-Bihar | GEN | Bihar | Izhar Ahmad | Lok Jan Shakti Party | 232083 | 101950 | 43.90% | 4853 | 4.80% | 2005 |
| 216 | 314-Ghorasahan-Bihar | GEN | Bihar | Laxmi Narayan Prasad | Rashtriya Janata Dal | 196902 | 97282 | 49.40% | 814 | 0.80% | 2005 |
| 217 | 315-Jalalpur-Bihar | GEN | Bihar | Janardan Singh Sigriwal | Bharatiya Janata Party | 214184 | 93489 | 43.60% | 11686 | 12.50% | 2005 |
| 218 | 316-Jandaha-Bihar | GEN | Bihar | Dr. Achyutanand | Lok Jan Shakti Party | 211864 | 97654 | 46.10% | 3766 | 3.90% | 2005 |
| 219 | 317-Kateya-Bihar | GEN | Bihar | Amrendra Kumar Pandey | Bahujan Samaj Party | 221084 | 102978 | 46.60% | 4203 | 4.10% | 2005 |
| 220 | 318-Kharagpur-Bihar | GEN | Bihar | Anant Kumar Satyarthi | Janata Dal (United) | 221829 | 94116 | 42.40% | 12600 | 13.40% | 2005 |
| 221 | 319-Kishunpur-Bihar | GEN | Bihar | Aniruddha Prasad Yadav | Janata Dal (United) | 195677 | 92555 | 47.30% | 25561 | 27.60% | 2005 |
| 222 | 320-Konch-Bihar | GEN | Bihar | Dr. Anil Kumar | Janata Dal (United) | 204808 | 85494 | 41.70% | 3398 | 4.00% | 2005 |
| 223 | 321-Kumarkhand-Bihar | SC | Bihar | Ramesh Rishidev | Janata Dal (United) | 187727 | 71471 | 38.10% | 1978 | 2.80% | 2005 |
| 224 | 322-Madhepur-Bihar | GEN | Bihar | Jagat Narayan Singh | Rashtriya Janata Dal | 216636 | 88332 | 40.80% | 6779 | 7.70% | 2005 |
| 225 | 323-Mairwa-Bihar | SC | Bihar | Ramayan Manjhi | Bharatiya Janata Party | 180370 | 88041 | 48.80% | 380 | 0.40% | 2005 |
| 226 | 324-Majorganj-Bihar | SC | Bihar | Dinkar Ram | Bharatiya Janata Party | 187871 | 85267 | 45.40% | 19470 | 22.80% | 2005 |
| 227 | 325-Manigachhi-Bihar | GEN | Bihar | Lalit Kumar Yadav | Rashtriya Janata Dal | 194680 | 86702 | 44.50% | 1928 | 2.20% | 2005 |
| 228 | 326-Masrakh-Bihar | GEN | Bihar | Kedar Nath Singh | Janata Dal (United) | 186273 | 89300 | 47.90% | 2122 | 2.40% | 2005 |
| 229 | 327-Mirganj-Bihar | GEN | Bihar | Ramsewak Singh | Janata Dal (United) | 206936 | 91711 | 44.30% | 7613 | 8.30% | 2005 |
| 230 | 328-Mokameh-Bihar | GEN | Bihar | Anant Kumar Singh | Janata Dal (United) | 206846 | 90396 | 43.70% | 2835 | 3.10% | 2005 |
| 231 | 329-Monghyr-Bihar | GEN | Bihar | Monazir Hassan | Janata Dal (United) | 225155 | 92454 | 41.10% | 37918 | 41.00% | 2005 |
| 232 | 330-Pandaul-Bihar | GEN | Bihar | Vinod Narayan Jha | Bharatiya Janata Party | 210582 | 88065 | 41.80% | 3311 | 3.80% | 2005 |
| 233 | 331-Paru-Bihar | GEN | Bihar | Ashok Kumar Singh | Bharatiya Janata Party | 204070 | 102092 | 50.00% | 3080 | 3.00% | 2005 |
| 234 | 332-Patna Central-Bihar | GEN | Bihar | Arun Kumar Sinha | Bharatiya Janata Party | 361043 | 129329 | 35.80% | 60040 | 46.40% | 2005 |
| 235 | 333-Patna East-Bihar | GEN | Bihar | Nand Kishore Yadav | Bharatiya Janata Party | 270951 | 118219 | 43.60% | 35970 | 30.40% | 2005 |
| 236 | 334-Patna West-Bihar | GEN | Bihar | Navin Kishore Pd. Sinha | Bharatiya Janata Party | 512503 | 170072 | 33.20% | 86119 | 50.60% | 2005 |
| 237 | 335-Piro-Bihar | GEN | Bihar | Narendra Kumar Pandey | Janata Dal (United) | 205475 | 105258 | 51.20% | 10375 | 9.90% | 2005 |
| 238 | 336-Pupri-Bihar | GEN | Bihar | Shahid Ali Khan | Janata Dal (United) | 218345 | 96660 | 44.30% | 6662 | 6.90% | 2005 |
| 239 | 337-Sahar-Bihar | SC | Bihar | Ram Naresh Ram | Communist Party Of India (MARXIST-LENINIST) (LIBERATION) | 200574 | 85656 | 42.70% | 19151 | 22.40% | 2005 |
| 240 | 338-Shikarpur-Bihar | SC | Bihar | Bhagirathi Devi | Bharatiya Janata Party | 203432 | 98341 | 48.30% | 5254 | 5.30% | 2005 |
| 241 | 339-Singhia-Bihar | SC | Bihar | Dr. Ashok Kumar | Indian National Congress | 215541 | 85076 | 39.50% | 11441 | 13.40% | 2005 |
| 242 | 340-Sonbarsa-Bihar | GEN | Bihar | Kishore Kumar | Independent | 219861 | 99457 | 45.20% | 16161 | 16.20% | 2005 |
| 243 | 340-Sonbarsa-Bihar | GEN | Bihar | Dr. Ram Chandra Purvey | Rashtriya Janata Dal | 203783 | 99091 | 48.60% | 12306 | 12.40% | 2005 |
Data-driven analysis covering competitiveness, candidate performance, and voter behaviour.
A constituency with a margin under 5,000 votes is considered closely fought. The average margin in Bihar 2005 was 9,736 votes.
The 10 constituencies decided by the narrowest margins.
| Constituency | Winner | Party | Margin |
|---|
Candidates receiving less than one-sixth (16.67%) of valid votes forfeit their security deposit. A high forfeiture rate indicates a party fielded candidates in constituencies with little voter support.
NOTA allows voters to reject all candidates. When NOTA votes exceed the victory margin, it signals significant voter dissatisfaction.
| Constituency | NOTA Votes | Win Margin | NOTA > Margin? |
|---|
The Bihar Vidhan Sabha (Legislative Assembly) is the lower house of the state legislature. MLAs are directly elected by voters through universal adult suffrage.
Bihar is divided into 243 assembly constituencies. The constituencies are categorized as: GEN (204 seats), SC (39 seats). SC and ST reserved constituencies ensure representation for historically marginalized communities.
To form a government, a party or coalition needs at least 122 seats (simple majority of 243 seats). The leader is invited by the Governor to become Chief Minister.
Elections are conducted by the Election Commission of India (ECI) using Electronic Voting Machines (EVMs) and Voter Verifiable Paper Audit Trail (VVPAT).