Seat data is not available for this selection.
| Sno. | Constituency | Type | State | Winning Candidate | Party | Electors | Votes | Turnout | Margin | Margin% | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 46-Sitamarhi | GEN | Bihar | N.P. Yadav | Indian National Congress | 564690 | 375492 | 66.50% | 517 | 0.10% | 1967 |
| 2 | 47-Madhubani | GEN | Bihar | S. C. Jha | Samyukta Socialist Party | 535332 | 321457 | 60.10% | 16407 | 5.10% | 1967 |
| 3 | 50-Araria | SC | Bihar | T. M. Ram | Indian National Congress | 469809 | 243643 | 51.90% | 70649 | 29.00% | 1967 |
| 4 | 51-Kishanganj | GEN | Bihar | L. L. Kapoor | Praja Socialist Party | 464508 | 208354 | 44.90% | 34283 | 16.50% | 1967 |
| 5 | 52-Katihar | GEN | Bihar | S. Keshari | Indian National Congress | 498435 | 274547 | 55.10% | 973 | 0.40% | 1967 |
| 6 | 53-Purnia | GEN | Bihar | P. G. S. Gupta | Indian National Congress | 489476 | 250487 | 51.20% | 4620 | 1.80% | 1967 |
| 7 | 54-Madhepura | GEN | Bihar | B. P. Mandal | Samyukta Socialist Party | 535701 | 293767 | 54.80% | 37426 | 12.70% | 1967 |
| 8 | 56-Muzaffarpur | GEN | Bihar | D. N. Singh | Indian National Congress | 543563 | 328990 | 60.50% | 37229 | 11.30% | 1967 |
| 9 | 58-Gopalganj | GEN | Bihar | D. N. Tiwary | Indian National Congress | 518630 | 248353 | 47.90% | 3016 | 1.20% | 1967 |
| 10 | 59-Siwan | GEN | Bihar | M. Yusuf | Indian National Congress | 553081 | 258446 | 46.70% | 25777 | 10.00% | 1967 |
| 11 | 60-Maharajganj | GEN | Bihar | M. P. Singh | Indian National Congress | 566098 | 280751 | 49.60% | 17244 | 6.10% | 1967 |
| 12 | 64-Samastipur | GEN | Bihar | Y. P. Mandal | Indian National Congress | 532604 | 324023 | 60.80% | 31672 | 9.80% | 1967 |
| 13 | 65-Begusarai | GEN | Bihar | Y. Sharma | Communist Party Of India | 569752 | 354259 | 62.20% | 88702 | 25.00% | 1967 |
| 14 | 66-Khagaria | GEN | Bihar | K. Singh | Samyukta Socialist Party | 566989 | 358219 | 63.20% | 96245 | 26.90% | 1967 |
| 15 | 67-Bhagalpur | GEN | Bihar | B. J. Azad | Indian National Congress | 538207 | 302401 | 56.20% | 34814 | 11.50% | 1967 |
| 16 | 68-Banka | GEN | Bihar | B. S. Sharma | Bhartiya Jan Sangh | 513057 | 262446 | 51.20% | 17567 | 6.70% | 1967 |
| 17 | 69-Munger | GEN | Bihar | L. M. Ramchandra | Samyukta Socialist Party | 521986 | 320157 | 61.30% | 96684 | 30.20% | 1967 |
| 18 | 70-Nalanda | GEN | Bihar | S. Prasad | Indian National Congress | 594698 | 329789 | 55.50% | 78093 | 23.70% | 1967 |
| 19 | 71-Patna Sahib | GEN | Bihar | R. A. Shastri | Communist Party Of India | 526885 | 327555 | 62.20% | 82141 | 25.10% | 1967 |
| 20 | 74-Buxar | GEN | Bihar | R. S. Singh | Indian National Congress | 558072 | 297389 | 53.30% | 34223 | 11.50% | 1967 |
| 21 | 75-Sasaram | SC | Bihar | J. Ram | Indian National Congress | 535908 | 291181 | 54.30% | 110666 | 38.00% | 1967 |
| 22 | 77-Jahanabad | GEN | Bihar | C. S. Singh | Communist Party Of India | 560459 | 287539 | 51.30% | 51412 | 17.90% | 1967 |
| 23 | 78-Aurangabad | GEN | Bihar | M. Singh | Indian National Congress | 557937 | 257360 | 46.10% | 57679 | 22.40% | 1967 |
| 24 | 79-Gaya | SC | Bihar | R. Das | Indian National Congress | 484827 | 217255 | 44.80% | 33988 | 15.60% | 1967 |
| 25 | 80-Nawada | GEN | Bihar | M. S. P. N. Puri | Independent | 572864 | 314878 | 55.00% | 20220 | 6.40% | 1967 |
| 26 | 81-Jamui | SC | Bihar | N. T. Das | Indian National Congress | 576715 | 329385 | 57.10% | 14852 | 4.50% | 1967 |
| 27 | 141-Rajmahal | ST | Bihar | I. Marandi | Indian National Congress | 454582 | 156295 | 34.40% | 6405 | 4.10% | 1967 |
| 28 | 142-Dumka | ST | Bihar | S. C. Besra | Indian National Congress | 478393 | 162235 | 33.90% | 12040 | 7.40% | 1967 |
| 29 | 143-Godda | GEN | Bihar | P. H. Singhka | Indian National Congress | 518431 | 225809 | 43.60% | 21862 | 9.70% | 1967 |
| 30 | 144-Chatra | GEN | Bihar | V. Raje | Independent | 493028 | 201737 | 40.90% | 21979 | 10.90% | 1967 |
| 31 | 148-Ranchi | GEN | Bihar | P. K. Ghosh | Indian National Congress | 465018 | 181946 | 39.10% | 4167 | 2.30% | 1967 |
| 32 | 149-Jamshedpur | GEN | Bihar | S. C. Prasad | Indian National Congress | 442633 | 209553 | 47.30% | 40702 | 19.40% | 1967 |
| 33 | 150-Singhbhum | ST | Bihar | K. Birua | Independent | 488906 | 143332 | 29.30% | 3627 | 2.50% | 1967 |
| 34 | 151-Khunti | ST | Bihar | J. Singh | Indian National Congress | 463401 | 193385 | 41.70% | 5277 | 2.70% | 1967 |
| 35 | 152-Lohardaga | ST | Bihar | K. Doraon | Indian National Congress | 463997 | 168102 | 36.20% | 33486 | 19.90% | 1967 |
| 36 | 153-Palamau | SC | Bihar | K. Kumari | Indian National Congress | 504969 | 225069 | 44.60% | 41764 | 18.60% | 1967 |
| 37 | 294-Dhenkanal | GEN | Bihar | L. R. Lakshmi | Jana Kranti Dal | 480690 | 194970 | 40.60% | 20267 | 10.40% | 1967 |
| 38 | 311-Hoshiarpur | GEN | Bihar | B. N. Singh | Independent | 498131 | 200934 | 40.30% | 19758 | 9.80% | 1967 |
| 39 | 467-Gorakhpur | GEN | Bihar | A. I. Ahmad | Indian National Congress | 488257 | 212724 | 43.60% | 3831 | 1.80% | 1967 |
| 40 | 469-Deoria | GEN | Bihar | S. N. Sinha | Indian National Congress | 589019 | 349480 | 59.30% | 53073 | 15.20% | 1967 |
| 41 | 488-Haridwar | GEN | Bihar | V. Chaudhary | Indian National Congress | 569874 | 346087 | 60.70% | 28530 | 8.20% | 1967 |
| 42 | 551-Bagaha | SC | Bihar | B. Raut | Indian National Congress | 478691 | 197351 | 41.20% | 50710 | 25.70% | 1967 |
| 43 | 553-Barh | GEN | Bihar | T. Sinha | Indian National Congress | 583769 | 328482 | 56.30% | 27454 | 8.40% | 1967 |
| 44 | 554-Bettiah | GEN | Bihar | K. N. Tiwari | Indian National Congress | 484032 | 239262 | 49.40% | 45483 | 19.00% | 1967 |
| 45 | 555-Bikramganj | GEN | Bihar | S. Shastry | Samyukta Socialist Party | 561269 | 340936 | 60.70% | 54916 | 16.10% | 1967 |
| 46 | 556-Chapra | GEN | Bihar | R. P. Singh | Indian National Congress | 563139 | 290282 | 51.60% | 28209 | 9.70% | 1967 |
| 47 | 557-Motihari | GEN | Bihar | B. Misra | Indian National Congress | 463766 | 231462 | 49.90% | 35184 | 15.20% | 1967 |
| 48 | 558-Rosera | SC | Bihar | K. Paswan | Samyukta Socialist Party | 510872 | 292428 | 57.20% | 11388 | 3.90% | 1967 |
| 49 | 559-Saharsa | GEN | Bihar | G. Thakur | Samyukta Socialist Party | 535539 | 323072 | 60.30% | 4619 | 1.40% | 1967 |
| 50 | 660-Jainagar | GEN | Bihar | B. Jha | Communist Party Of India | 552639 | 313260 | 56.70% | 55773 | 17.80% | 1967 |
| 51 | 665-Kesariya | GEN | Bihar | K. M. Madhukar | Communist Party Of India | 523959 | 246560 | 47.10% | 3661 | 1.50% | 1967 |
| 52 | 671-Pupri | GEN | Bihar | S. P. Sahu | Indian National Congress | 569060 | 345346 | 60.70% | 78978 | 22.90% | 1967 |
| 53 | 673-Shahabad | GEN | Bihar | B. Bhagat | Indian National Congress | 553603 | 311639 | 56.30% | 7227 | 2.30% | 1967 |