1971
K. SUBRAVELU
Margin66,37317.2%
Winner votes2,07,30453.8%
ReservationSC
| # | Candidate | Votes | Share |
|---|---|---|---|
K. SUBRAVELU DMK | 2,07,304 | 53.8% | |
| 2 | K. RAJANGAM NCO | 1,40,931 | 36.6% |
| 3 | P. S. DHANUSHKODI CPM | 36,829 | 9.6% |
Turnout76.4%Votes cast3,85,064Electors5,03,830
Lok Sabha · TN-30
Nagapattinamrenamed
1971 Mayuram1977 Nagapattinam
1977
MURUGAIYAN S.G.
Margin40,8107.9%
Winner votes2,78,41954.0%
ReservationSC
| # | Candidate | Votes | Share |
|---|---|---|---|
MURUGAIYAN S.G. CPI | 2,78,419 | 54.0% | |
| 2 | THAZHAI KARUNNANITHI M. DMK | 2,37,609 | 46.0% |
Turnout77.8%Votes cast5,16,028Electors6,63,463
Winner held by2 different parties
Winner flipped1 time
Marginnarrowing
Turnoutrising
Candidates3 → 2
Margin range40,810 – 66,373