Seat data is not available for this selection.
| Sno. | Constituency | Type | State | Winning Candidate | Party | Electors | Votes | Turnout | Margin | Margin% | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 42-Valmiki Nagar | GEN | Bihar | Baidyanath Prasad Mahto | Janata Dal (United) | 1275653 | 598456 | 46.90% | 183675 | 30.70% | 2009 |
| 2 | 43-Paschim Champaran | GEN | Bihar | Dr. Sanjay Jaiswal | Bharatiya Janta Party | 1220868 | 515490 | 42.20% | 47343 | 9.20% | 2009 |
| 3 | 44-Purvi Champaran | GEN | Bihar | Radha Mohan Singh | Bharatiya Janta Party | 1187264 | 482094 | 40.60% | 79290 | 16.40% | 2009 |
| 4 | 45-Sheohar | GEN | Bihar | Rama Devi | Bharatiya Janta Party | 1269056 | 573012 | 45.20% | 125684 | 21.90% | 2009 |
| 5 | 46-Sitamarhi | GEN | Bihar | Arjun Roy | Janata Dal (United) | 1355817 | 576772 | 42.50% | 110566 | 19.20% | 2009 |
| 6 | 47-Madhubani | GEN | Bihar | Hukmadeo Narayan Yadav | Bharatiya Janta Party | 1397256 | 556572 | 39.80% | 9927 | 1.80% | 2009 |
| 7 | 48-Jhanjharpur | GEN | Bihar | Mangani Lal Mandal | Janata Dal (United) | 1418977 | 607835 | 42.80% | 72709 | 12.00% | 2009 |
| 8 | 49-Supaul | GEN | Bihar | Vishwa Mohan Kumar | Janata Dal (United) | 1279549 | 697682 | 54.50% | 166075 | 23.80% | 2009 |
| 9 | 50-Araria | GEN | Bihar | Pradeep Kumar Singh | Bharatiya Janta Party | 1311225 | 730459 | 55.70% | 22502 | 3.10% | 2009 |
| 10 | 51-Kishanganj | GEN | Bihar | Mohammad Asrarul Haque | Indian National Congress | 1186369 | 626914 | 52.80% | 80269 | 12.80% | 2009 |
| 11 | 52-Katihar | GEN | Bihar | Nikhil Kumar Choudhary | Bharatiya Janta Party | 1272769 | 724942 | 57.00% | 14015 | 1.90% | 2009 |
| 12 | 53-Purnia | GEN | Bihar | Uday Singh Alias Pappu Singh | Bharatiya Janta Party | 1305396 | 704866 | 54.00% | 186227 | 26.40% | 2009 |
| 13 | 54-Madhepura | GEN | Bihar | Sharad Yadav | Janata Dal (United) | 1508361 | 756468 | 50.20% | 177621 | 23.50% | 2009 |
| 14 | 55-Darbhanga | GEN | Bihar | Kirti Azad | Bharatiya Janta Party | 1307067 | 545726 | 41.80% | 46453 | 8.50% | 2009 |
| 15 | 56-Muzaffarpur | GEN | Bihar | Captain Jai Narayan Prasad Nishad | Janata Dal (United) | 1339949 | 621870 | 46.40% | 47809 | 7.70% | 2009 |
| 16 | 57-Vaishali | GEN | Bihar | Raghuvansh Prasad Singh | Rashtriya Janata Dal | 1278891 | 624863 | 48.90% | 22308 | 3.60% | 2009 |
| 17 | 58-Gopalganj | SC | Bihar | Purnmasi Ram | Janata Dal (United) | 1349072 | 504611 | 37.40% | 42472 | 8.40% | 2009 |
| 18 | 59-Siwan | GEN | Bihar | Om Prakash Yadav | Independent | 1282480 | 642234 | 50.10% | 63430 | 9.90% | 2009 |
| 19 | 60-Maharajganj | GEN | Bihar | Uma Shanaker Singh | Rashtriya Janata Dal | 1312219 | 599531 | 45.70% | 2797 | 0.50% | 2009 |
| 20 | 61-Saran | GEN | Bihar | Lalu Prasad | Rashtriya Janata Dal | 1268338 | 580830 | 45.80% | 51815 | 8.90% | 2009 |
| 21 | 62-Hajipur | SC | Bihar | Ram Sundar Das | Janata Dal (United) | 1327075 | 555110 | 41.80% | 37954 | 6.80% | 2009 |
| 22 | 63-Ujiarpur | GEN | Bihar | Aswamedh Devi | Janata Dal (United) | 1229327 | 564247 | 45.90% | 25312 | 4.50% | 2009 |
| 23 | 64-Samastipur | SC | Bihar | Maheshwar Hazari | Janata Dal (United) | 1312948 | 584752 | 44.50% | 104376 | 17.80% | 2009 |
| 24 | 65-Begusarai | GEN | Bihar | Munde Gopinathrao Pandurang | Bharatiya Janta Party | 1637239 | 1074052 | 65.60% | 140952 | 13.10% | 2009 |
| 25 | 66-Khagaria | GEN | Bihar | Dinesh Chandra Yadav | Janata Dal (United) | 1342970 | 624966 | 46.50% | 138755 | 22.20% | 2009 |
| 26 | 67-Bhagalpur | SC | Bihar | Arjun Charan Sethi | Biju Janata Dal | 1372356 | 929526 | 67.70% | 54938 | 5.90% | 2009 |
| 27 | 68-Banka | GEN | Bihar | Digvijay Singh | Independent | 1338025 | 652097 | 48.70% | 28716 | 4.40% | 2009 |
| 28 | 69-Munger | GEN | Bihar | Rajiv Ranjan Singh Alias Lalan Singh | Janata Dal (United) | 1564604 | 651035 | 41.60% | 189361 | 29.10% | 2009 |
| 29 | 70-Nalanda | GEN | Bihar | Kaushalendra Kumar | Janata Dal (United) | 1719503 | 568233 | 33.10% | 152677 | 26.90% | 2009 |
| 30 | 71-Patna Sahib | GEN | Bihar | Shatrughan Sinha | Bharatiya Janta Party | 1641976 | 552538 | 33.70% | 166770 | 30.20% | 2009 |
| 31 | 72-Pataliputra | GEN | Bihar | Ranjan Prasad Yadav | Janata Dal (United) | 1526241 | 628364 | 41.20% | 23541 | 3.70% | 2009 |
| 32 | 73-Arrah | GEN | Bihar | Meena Singh | Janata Dal (United) | 1555122 | 556364 | 35.80% | 74720 | 13.40% | 2009 |
| 33 | 74-Buxar | GEN | Bihar | Jagada Nand Singh | Rashtriya Janata Dal | 1340892 | 623629 | 46.50% | 2238 | 0.40% | 2009 |
| 34 | 75-Sasaram | SC | Bihar | Meira Kumar | Indian National Congress | 1402789 | 599031 | 42.70% | 42954 | 7.20% | 2009 |
| 35 | 76-Karakat | GEN | Bihar | Mahabali Singh | Janata Dal (United) | 1386634 | 577454 | 41.60% | 20483 | 3.50% | 2009 |
| 36 | 77-Jahanabad | GEN | Bihar | Jagdish Sharma | Janata Dal (United) | 1276912 | 599175 | 46.90% | 21327 | 3.60% | 2009 |
| 37 | 78-Aurangabad | GEN | Bihar | Sushil Kumar Singh | Janata Dal (United) | 1376323 | 598332 | 43.50% | 72058 | 12.00% | 2009 |
| 38 | 79-Gaya | SC | Bihar | Hari Manjhi | Bharatiya Janta Party | 1329192 | 563429 | 42.40% | 62453 | 11.10% | 2009 |
| 39 | 80-Nawada | GEN | Bihar | Bhola Singh | Bharatiya Janta Party | 1397512 | 581583 | 41.60% | 34917 | 6.00% | 2009 |
| 40 | 81-Jamui | SC | Bihar | Bhudeo Choudhary | Janata Dal (United) | 1404016 | 535288 | 38.10% | 29797 | 5.60% | 2009 |