Mithun Chakraborty's unique role of Kishnan Iyer was inspired by one of his room mates of his struggling days, before he become a popular film star. In his struggling days Mithun used to be be room sharing with Devio who used to pay rs 150 while Mithun Used to pay rs 75. Devio had the a bed while Mithun used to sleep on the floor, one specific time Mithun used his bed whilst he was at work and when Devio came back he scolded Mithun. This incident remained with Mithun and he put Devio's character on screen.
There was a bedroom scene in the original script after Amitabh has an argument with his mother he goes to Madhavi for comfort. Amitabh Bachchan didn't feel comfortable about it and when he asked the director to alter the scene it was removed.
Amitabh Bachchan celebrated two events on April 8, 1991 at Go Bananas, Santacruz (Mumbai). The first occasion was to celebrate the actor bagging the National Award for Agneepath (1990) and the second was Jaya Bhaduri's (his wife) birthday at the stroke of midnight.
Though Deepak Shirke, Avtar Gill, Danny are older in the film then Bachchan, in reality all are either of same age to him or are younger. Amitabh Bachchan's mother played by Rohini is actually much younger to him in real life.