1984 Indian general election in Tamil Nadu

Indian general election in Tamil Nadu, 1984

← 1980 December 1984 1989 →
39 (of 514) seats in the Lok Sabha
Registered	30,958,080
Turnout	22,591,943 (72.98%) 6.22%
First party Second party   Leader M. G. Ramachandran M. Karunanidhi Party AIADMK DMK Alliance Congress alliance Janata alliance Leader's seat Did not contest Did not contest Seats won 37 2 Seat change 15 14 Popular vote 12,941,942 8,006,513 Percentage 59.87% 37.04% Swing 2.87% 0.73%
1984 Election map (by constituencies) Green = INC+ and Blue = JP+

The 1984 Indian general election polls in Tamil Nadu were held for 39 seats in the state. The result was a landslide victory for Indian National Congress and its ally All India Anna Dravida Munnetra Kazhagam, winning 37 out of 39 seats. The other 2 seats were won by the opposition, Dravida Munnetra Kazhagam. This marks the start of the dominance of INC-AIADMK, for the next decade winning 38 seats in 1989 election and all 39 seats in 1991 election. The allocation of seats were done what was later dubbed, "The M.G.R formula". Where the regional party would contest 70% of the assembly seats and the national party would be given 70% of the Lok Sabha seats.