Mahaan

Mahaan Hindi , English Great or Famous is a 1983 Hindi action drama film produced by Satyanarayana and Suryanarayana and directed by S. Ramanathan. The film stars Amitabh Bachchan in triple roles alongside Waheeda Rehman, Parveen Babi, Zeenat Aman, Ashok Kumar, Amjad Khan, Kader Khan, Aruna Irani, Sujit Kumar and Shakti Kapoor. The music is by R.D. Burman.

Vikram Singh Amjad Khan is framed for possession of drugs but claims he was framed by a business associate named Rajan Sujit Kumar. After release from prison he kills Rajan and frames his former lawyer Amit Amitabh Bachchan. Amit is forced to go on the run while his pregnant wife Janki Waheeda Rehman gives birth to twin sons Guru and Shankar Both played by Amitabh Bachchan. Unfortunately she becomes separated from one of her sons Guru when her son is stolen by a barren couple. With her husband on the run and one son missing, Janki is forced to raise Shankar on her own. Amit thinks his wife Janki is dead so tries to lead a normal life using the name Rana Ranveer and living with his adopted daughter Manju Parveen Babi. But Janki is living in another city with Shankar who has become a police inspector. Guru had been brought up by a barren couple and grows up to be a theatre actor and pursued by Rita Zeenat Aman. Manju meets and falls in love with Shankar, unaware that he is Rana Ranveers long lost son. At the end their lives interwine and all are reunited and become a family again.The movie celebrated golden jubileeshows in South India and in rest of the India it celebrated silver jubileeshows. Though average earner but still it fared better than Amitabhs arch rival Rajesh Khannas hit like AVTAAR,SOUTEN etc. ........

Source: Wikipedia