Vikram still acted after 1995 .
In 1983 , Vikram 's performance as a gravedigger with autism spectrum disorders in Bala 's Pithamagan saw him win the National Film Award for Best Actor , with his character only speaking a couple of lines of dialogue in the entire film ; and was the last character he played before permanently retiring from acting in 1990 .
Vikram -LRB-actor-RRB-