1971
Total Constituencies: 39
Tamil Nadu Lok Sabha Election 1971 covered all 39 parliamentary constituencies in the state. The DMK received the highest statewide vote share at 35.25% and won 23 seats, while the NCO received 30.43% of the vote and won 1 seats. The INC won 9 seats with 12.51% of the vote.
The table below shows party-wise results based on total votes received across Tamil Nadu.
| Party Name | Seats Contested | Seats Won | Vote Share | Vote Share on Contested | Total Votes |
|---|---|---|---|---|---|
| 24 | 23 | 35.25% | 55.93% | 56,22,758 | |
| NCO | 29 | 1 | 30.43% | 40.51% | 48,53,534 |
| 9 | 9 | 12.51% | 56.67% | 19,95,567 | |
| SWA | 9 | 0 | 9.28% | 41.63% | 14,79,693 |
| 4 | 4 | 5.43% | 53.26% | 8,66,399 | |
| IND | 19 | 1 | 3.24% | 6.69% | 5,16,448 |
| Constituency | Winner | Runner-up | Margin | Margin(%) | ||||
|---|---|---|---|---|---|---|---|---|
| Candidate | Party | Votes | Candidate | Party | Votes | |||
| Madras North | K. Manoharan | DMK | 2,45,401 | S. G. Vinayagamoorthy | NCO | 1,93,807 | 51,594 | 11.57 |
| Madras South | Murasoli Naran | DMK | 2,53,626 | Nara Simhan | SWA | 2,33,285 | 20,341 | 4.18 |
| Sriperumbudur (Sc) | T. S. Latchumanan | DMK | 3,00,663 | P. Kakkan | NCO | 2,00,617 | 1,00,046 | 19.96 |
| Chingleput | C. Chittibabu | DMK | 2,51,687 | P. M. Muthukumarappa | NCO | 1,32,931 | 1,18,756 | 28.32 |
| Tiruttani | O. V. Alagesa Mudaliar | INC | 2,41,418 | P. Ramachandran | NCO | 1,57,313 | 84,105 | 21.1 |
| Vellore (Sc) | R. P. Ulaganambi | DMK | 2,21,512 | T. Manavalan | NCO | 1,36,191 | 85,321 | 22.01 |
| Tiruppattur | C. K. Chinnaraji Gounder | DMK | 2,07,562 | N. Parthasarathy | SWA | 1,52,499 | 55,063 | 15.3 |
| Wandiwash | G. Viswanathan | DMK | 2,30,003 | A. Krishnaswamy | NCO | 1,42,048 | 87,955 | 21.98 |
| Tindivanam | M .R. Lakshminarayanan | INC | 2,12,309 | M. P. Radhakrishnan | SWA | 1,50,834 | 61,475 | 16.19 |
| Cuddalore | S. Radhakrishnan | INC | 2,29,934 | R. Muthukumaran | NCO | 1,93,447 | 36,487 | 8.62 |
| Chidambaram (Sc) | V. Mayavan | DMK | 2,03,059 | L. Elayaperumal | NCO | 1,80,661 | 22,398 | 5.63 |
| Kallakurichi | M. Devekan | DMK | 2,07,721 | K. Veerasamy | NCO | 1,85,745 | 21,976 | 5.58 |
| Krishnagiri | T. Thirthagiri Gounder | INC | 1,86,114 | T. M. Thirupathy | SWA | 1,51,194 | 34,920 | 10.36 |
| Salem | E. R. Krishnan | DMK | 2,30,736 | M. P. Subramanyam | NCO | 1,75,940 | 54,796 | 13.27 |
| Mettur | G. Bhuvarahan | INC | 2,01,744 | K. Ramamurthy | NCO | 1,35,604 | 66,140 | 19.6 |
| Tiruchengode | M. Muthusami | DMK | 2,38,746 | T. M. Kaliyannan | NCO | 1,78,699 | 60,047 | 14.04 |
| Nilgiris | J. Matha Gowder | DMK | 2,15,654 | Akkamma Devi | NCO | 1,54,560 | 61,094 | 16.5 |
| Coimbatore | K. Balathandayutham | CPI | 2,14,824 | Ramaswamy | NCO | 1,37,771 | 77,053 | 19.03 |
| Pollachi | Narayanan | DMK | 2,67,811 | K. R. Nallasivam | SSP | 1,41,605 | 1,26,206 | 30.47 |
| Dharapuram (Sc) | C. T. Dhandapani | DMK | 2,60,113 | K. Paramalai | NCO | 1,43,927 | 1,16,186 | 28.76 |
| Gobichettipalayam | P. A. Saminathan | DMK | 2,19,662 | E. V. K. Sampath | NCO | 1,59,170 | 60,492 | 15.96 |
| Periakulam | S. M. Mohammed Sheriff | IND | 1,75,940 | Ajmalkhan | SWA | 1,34,015 | 41,925 | 10.79 |
| Dindigul | M. Rajangam | DMK | 2,48,638 | K. Chemachamy | SWA | 1,51,003 | 97,635 | 23.52 |
| Madurai | R. V. Swaminathan | INC | 2,27,060 | S. Chinna Karuppa Thevar | NCO | 1,54,701 | 72,359 | 16.27 |
| Karur | Gopal | INC | 2,38,315 | V. Ramanathan | NCO | 1,65,022 | 73,293 | 18.18 |
| Tiruchirappalli | M. Kalyanasundaram | CPI | 2,17,677 | S. P. Thangavelu | NCO | 1,97,127 | 20,550 | 4.65 |
| Perambalur (Sc) | A. Durairasu | DMK | 2,58,724 | M. Ayyakunnu | NCO | 1,97,155 | 61,569 | 13.5 |
| Pudukkottai | K. Veeriah | DMK | 2,51,861 | R. Vijaya Reghunatha Thondaiman | NCO | 2,03,466 | 48,395 | 10.62 |
| Kumbakonam | Era Sezhiyan | DMK | 2,42,547 | C. R. Ramasamy | NCO | 2,03,794 | 38,753 | 8.68 |
| Mayuram (Sc) | K. Subravelu | DMK | 2,07,304 | K. Rajangam | NCO | 1,40,931 | 66,373 | 17.24 |
| Nagapattinam | M. Kathamuthu | CPI | 2,19,684 | V. Sabasivam | NCO | 1,31,957 | 87,727 | 21.95 |
| Thanjavur | S. D. Somasundaram | DMK | 2,68,980 | R. Krishnasamy Gopalar | NCO | 1,68,972 | 1,00,008 | 21.31 |
| Sivaganga | Tha Kiruttinan | DMK | 2,73,194 | Kannappa Valliappan | NCO | 1,73,106 | 1,00,088 | 22.42 |
| Ramanathapuram | P. K. Mookkiah Thevar | FBL | 2,08,431 | S. Balakrishnan | NCO | 1,39,276 | 69,155 | 19.29 |
| Sivakasi | V. Jeyalakshmi | INC | 2,35,491 | R. Gopalakrishnan | SWA | 1,49,829 | 85,662 | 21.71 |
| Tirunelveli | S. A, Muruganantham | CPI | 2,14,214 | S. Palaniswaminathan | SWA | 1,54,277 | 59,937 | 15.74 |
| Tenkasi (Sc) | A. M. Cnellachami | INC | 2,23,182 | R. S. Arumugam | NCO | 1,54,272 | 68,910 | 17.13 |
| Tiruchendur | M. S. Sivasamy | DMK | 2,02,783 | M. Mathias | SWA | 2,02,757 | 26 | 0 |
| Nagercoil | K. Kamaraj Nadar | NCO | 2,15,324 | M. C. Balan | DMK | 1,14,771 | 1,00,553 | 27.26 |