He started his writing career with the screenplay for Mohan Segal's Nargis starrer Lajwanti in 1958.
In the 1960s he was associated with several hits such as Anuradha (1960), which won the National Film Award for Best Feature Film, Ayee Milan Ki Bela, Jaanwar (1965), Love in Tokyo (1966), Aaye Din Bahar Ke (1966), An Evening in Paris (1967), Brahmachari (1968), Aya Sawan Jhoom Ke (1969) and Aradhana.
In the 1970s he had successes including Aan Milo Sajna (1970), Caravan (1971), Be-Imaan (1972) Dost (1974), Khel Khel Mein (1975), Hum Kisise Kum Naheen (1977), Gol Maal (1979).
His films in the 1980s include Karz (1980), Do Aur Do Paanch (1980), Bemisal (1982), Zamaane Ko Dikhana Hai (1981), Nastik (1983), Andar Baahar (1984), Saaheb (1985) and Karma (1986). He also co-wrote the Tamil comedy movie Thillu Mullu (1981), a remake of his own film Gol Maal.
He continued in the 1990s with hits including Main Khiladi Tu Anari (1994), Yeh Dillagi (1994), Karan Arjun (1995), Koyla (1997), Soldier (1998), Aa Ab Laut Chalen (1999) and Taal (1999).keemat -they are back (1998)
In the 2000s, he has continued with the hits Koi Mil Gaya, Kisna and Krrish (2006).
He directed only one film, Rajesh Khanna and Sharmila Tagore starrer Raja Rani in 1973, which was also written by him.
He married and later divorced actress Kalpana. In 1971 he married again. He was married to the daughter of the musician DM Tagore, her name being Bansari Bhaumick and soon after they had a son Sandeep Bhaumick.
In 2003 Bhaumick filed a defamation case against Barbara Taylor Bradford after she had sued him for copyright infringement regarding a TV soap opera.
ZalZala (1984)1968 Filmfare Best Story Award for Brahmachari
1969 Filmfare Nomination for Best Story for Aradhana
1970 Filmfare Nomination for Best Story for Pehchan
Has worked for several films for each of the following producers/directors:J. Om Prakash