1971NARAYANANDMKOther / no major frontMargin1,26,20630.5%Winner votes2,67,81164.7%ReservationGEN#CandidateVotesShareTurnout68.6%Votes cast4,14,215Electors6,04,191
1977RAMASWAMY K.S.INCAIADMK-led alliance (AIADMK + INC(R) + CPI + IUML), Tamil Nadu 1977 Lok SabhaMargin1,05,45824.2%Winner votes2,55,12058.6%ReservationGEN#CandidateVotesShareTurnout67.1%Votes cast4,35,501Electors6,48,924