Seat data is not available for this selection.
| Sno. | Constituency | Type | State | Winning Candidate | Party | Electors | Votes | Turnout | Margin | Margin% | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 45-Sheohar | GEN | Bihar | Sitaram Singh | Rashtriya Janata Dal | 1214428 | 666384 | 54.90% | 73883 | 11.10% | 2004 |
| 2 | 46-Sitamarhi | GEN | Bihar | Sitaram Yadav | Rashtriya Janata Dal | 1265132 | 690791 | 54.60% | 98005 | 14.20% | 2004 |
| 3 | 47-Madhubani | GEN | Bihar | Dr. Shakeel Ahmad | Indian National Congress | 1257633 | 695136 | 55.30% | 87079 | 12.50% | 2004 |
| 4 | 48-Jhanjharpur | GEN | Bihar | Devendra Prasad Yadav | Rashtriya Janata Dal | 1163817 | 704243 | 60.50% | 12835 | 1.80% | 2004 |
| 5 | 50-Araria | SC | Bihar | Sukdeo Paswan | Bharatiya Janata Party | 1184962 | 652439 | 55.10% | 27744 | 4.30% | 2004 |
| 6 | 51-Kishanganj | GEN | Bihar | Taslimuddin | Rashtriya Janata Dal | 1278476 | 813315 | 63.60% | 160497 | 19.70% | 2004 |
| 7 | 52-Katihar | GEN | Bihar | Nikhil Kumar Choudhary | Bharatiya Janata Party | 1158042 | 704422 | 60.80% | 2565 | 0.40% | 2004 |
| 8 | 53-Purnia | GEN | Bihar | Uday Singh Alias Pappu Singh | Bharatiya Janata Party | 1179491 | 709015 | 60.10% | 12883 | 1.80% | 2004 |
| 9 | 54-Madhepura | GEN | Bihar | Lalu Prasad | Rashtriya Janata Dal | 1187490 | 695657 | 58.60% | 69987 | 10.10% | 2004 |
| 10 | 55-Darbhanga | GEN | Bihar | Md. Ali Ashraf Fatmi | Rashtriya Janata Dal | 1202456 | 764102 | 63.60% | 143463 | 18.80% | 2004 |
| 11 | 56-Muzaffarpur | GEN | Bihar | George Fernandes | Janata Dal (United) | 1237345 | 783974 | 63.40% | 9693 | 1.20% | 2004 |
| 12 | 57-Vaishali | GEN | Bihar | Raghubansh Prasad Singh | Rashtriya Janata Dal | 1197345 | 748681 | 62.50% | 105935 | 14.10% | 2004 |
| 13 | 58-Gopalganj | GEN | Bihar | Anirudh Prasad Alias Sadhu Yadav | Rashtriya Janata Dal | 1231178 | 694487 | 56.40% | 192919 | 27.80% | 2004 |
| 14 | 59-Siwan | GEN | Bihar | Mohammad Shahabuddin | Rashtriya Janata Dal | 1054441 | 637544 | 60.50% | 103578 | 16.20% | 2004 |
| 15 | 60-Maharajganj | GEN | Bihar | Prabhunath Singh | Janata Dal (United) | 1114665 | 664381 | 59.60% | 46465 | 7.00% | 2004 |
| 16 | 62-Hajipur | SC | Bihar | Ram Vilas Paswan | Lok Jan Shakti Party | 1208834 | 773565 | 64.00% | 237801 | 30.70% | 2004 |
| 17 | 64-Samastipur | GEN | Bihar | Alok Kumar Mehta | Rashtriya Janata Dal | 1433793 | 864688 | 60.30% | 126783 | 14.70% | 2004 |
| 18 | 65-Begusarai | GEN | Bihar | Rajiv Ranjan Singh | Janata Dal (United) | 1280963 | 678647 | 53.00% | 20491 | 3.00% | 2004 |
| 19 | 66-Khagaria | GEN | Bihar | Rabindra Ku. Rana | Rashtriya Janata Dal | 1196971 | 675969 | 56.50% | 67123 | 9.90% | 2004 |
| 20 | 67-Bhagalpur | GEN | Bihar | Sushil Kumar Modi | Bharatiya Janata Party | 1388037 | 757266 | 54.60% | 117853 | 15.60% | 2004 |
| 21 | 68-Banka | GEN | Bihar | Giridhari Yadav | Rashtriya Janata Dal | 1213614 | 713888 | 58.80% | 4669 | 0.70% | 2004 |
| 22 | 69-Munger | GEN | Bihar | Jay Prakash Narayan Yadav | Rashtriya Janata Dal | 1310042 | 838209 | 64.00% | 115927 | 13.80% | 2004 |
| 23 | 70-Nalanda | GEN | Bihar | Nitish Kumar | Janata Dal (United) | 1311971 | 895089 | 68.20% | 102396 | 11.40% | 2004 |
| 24 | 71-Patna Sahib | GEN | Bihar | Ram Kripal Yadav | Rashtriya Janata Dal | 1741220 | 901556 | 51.80% | 38562 | 4.30% | 2004 |
| 25 | 73-Arrah | GEN | Bihar | Kanti Singh | Rashtriya Janata Dal | 1360794 | 787780 | 57.90% | 149743 | 19.00% | 2004 |
| 26 | 74-Buxar | GEN | Bihar | Lalmuni Chaubey | Bharatiya Janata Party | 1222441 | 649116 | 53.10% | 54866 | 8.50% | 2004 |
| 27 | 75-Sasaram | SC | Bihar | Meira Kumar | Indian National Congress | 1291800 | 697265 | 54.00% | 258262 | 37.00% | 2004 |
| 28 | 77-Jahanabad | GEN | Bihar | Ganesh Prasad Singh | Rashtriya Janata Dal | 1246756 | 863788 | 69.30% | 46438 | 5.40% | 2004 |
| 29 | 78-Aurangabad | GEN | Bihar | Nikhil Kumar | Indian National Congress | 1401973 | 767159 | 54.70% | 7460 | 1.00% | 2004 |
| 30 | 79-Gaya | SC | Bihar | Rajesh Kumar Manjhi | Rashtriya Janata Dal | 1436323 | 883374 | 61.50% | 102934 | 11.70% | 2004 |
| 31 | 80-Nawada | SC | Bihar | Virchandra Paswan | Rashtriya Janata Dal | 1505472 | 1009961 | 67.10% | 56006 | 5.50% | 2004 |
| 32 | 551-Bagaha | SC | Bihar | Kailash Baitha | Janata Dal (United) | 1160275 | 570814 | 49.20% | 65375 | 11.50% | 2004 |
| 33 | 552-Balia | GEN | Bihar | Suraj Singh | Lok Jan Shakti Party | 1181597 | 632330 | 53.50% | 76227 | 12.10% | 2004 |
| 34 | 553-Barh | GEN | Bihar | Vijay Krishna | Rashtriya Janata Dal | 1242851 | 864069 | 69.50% | 37688 | 4.40% | 2004 |
| 35 | 554-Bettiah | GEN | Bihar | Raghunath Jha | Rashtriya Janata Dal | 1278163 | 569868 | 44.60% | 24671 | 4.30% | 2004 |
| 36 | 555-Bikramganj | GEN | Bihar | Ajit Kumar Singh | Janata Dal (United) | 1298849 | 733925 | 56.50% | 58801 | 8.00% | 2004 |
| 37 | 556-Chapra | GEN | Bihar | Lalu Prasad | Rashtriya Janata Dal | 1164917 | 446031 | 38.30% | 60423 | 13.50% | 2004 |
| 38 | 557-Motihari | GEN | Bihar | Akhiles Prasad Singh | Rashtriya Janata Dal | 1221716 | 679070 | 55.60% | 97024 | 14.30% | 2004 |
| 39 | 558-Rosera | SC | Bihar | Ram Chandra Paswan | Lok Jan Shakti Party | 1245733 | 713782 | 57.30% | 138411 | 19.40% | 2004 |
| 40 | 559-Saharsa | GEN | Bihar | Ranjeet Ranjan | Lok Jan Shakti Party | 1287666 | 738272 | 57.30% | 30787 | 4.20% | 2004 |