His mother died when he was young and his father left home.

[1] In his childhood, Bandopadhyay participated in one-act plays in their neighborhood.

In 1962, he joined Government of West Bengal in the Department of Public Works Roads.

[citation needed] He was discovered by Sandip Ray in the late 1990s and his first work was a TV short named Shadhon Babur Shondeho, based on a story by Satyajit Ray and which was a part of a TV film series named Satyajiter Gappo in 1998.

[2] Some of his films are Bombaiyer Bombete (2003), Chiradin Chirakal (2016) Tintorettor Jishu (2008), Gosainbaganer Bhoot (2011), Royal Bengal Rahashya (2011), Jekhane Bhooter Bhoy (2012), Badshahi Angti (2014), Cinemawala (2016) and Double Feluda (2016).