Naan Mahaan Alla is a 1984 Indian Tamil-language action film directed by S. P. Muthuraman.
The film stars Rajinikanth, Radha and M. N. Nambiar, and is a remake of the Hindi film Vishwanath (1978).
Viswanath, a famous lawyer, stays with his widowed mother and physically disabled sister. He sends Jagan, a rich magnate's son and Lokaiya, two criminals to jail on the charge of rape and murder of an innocent girl.
Jagan's father GMK uses his influence and starts creating trouble in Viswanath's life. GMK succeeds in getting Viswanath imprisoned on a trumped up charge. His heartbroken mother dies.
Once out of jail, Viswanath sets out to punish the culprits when he temporarily loses his eyesight.
The film was released on 14 January 1984, Pongal day and emerged a commercial success.