Conversation so far:
Where did Mohanlal spend his early years?
Mohanlal grew up in Mudavanmugal at his paternal home in Thiruvananthapuram.
What happened in 1978 and 1979 to Mohanlal?
Mohanlal made his acting debut in 1978 with the film Thiranottam.  It took 25 years to release the film.

Question: Did he have another acting role after Thiranottam?
Self-contained rewrite: Did Mohanlal have another acting role after Thiranottam?