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.
Did Mohanlal have another acting role after Thiranottam?
In 1980, Mohanlal was cast in the lead antagonist role in Manjil Virinja Pookkal.
What did Mohanlal do after working with Fazil on Manjil Virinja Pookkal?
By 1983, Mohanlal was credited in more than 25 feature films, most of them had him playing negative roles.
Did Mohanlal do anything other than films and stage acting?
In 1985, he recorded a song for the film Onnanam Kunnil Oradi Kunnil.
Did Mohanlal record any other songs besides Sindooramegham Shringaarakaavyam?
Mohanlal recorded Aarumilla Agathiyenikkoru for Padamudra

Question: What did he do after Onnanam Kunnil Oradi Kunnil?
Self-contained rewrite: What did Mohanlal do after Onnanam Kunnil Oradi Kunnil?