In the library he stumbled upon Six Characters in Search of an Author by Luigi Pirandello, his first contact with an absurd play.
While studying in City College he became close to culturally like-minded people, who became prominent poets, authors, artists in their later lives.
He became close friend with Sunil Gongopadhyay, Shibshmbhu Pal, Soumitra Chatterjee, Sandipan Chattopadhyay, Shakti Chattopadhay.
Mohit Chattopadhyaya started his literary career as a poet and later shifted to writing plays.
His play Raajrakto (Guinea pig) is considered as a milestone in the history of Bengali political drama.
In 1973 Mohit Chattopadhyaya started working on the film script of Chorus in close collaboration with Mrinal Sen.
In 1980 Mohit Chattopadhyaya finished his first and only directorial endeavour, Megher Khela (The Play of The Clouds), a children's film.
Subarnolata, Arogyonikatan, Adorsho Hindu Hotel marked one of the most popular and critically acclaimed television serials on Kolkata Doordarshan.
Mohit Chattopadhyay has also written numerous essays, articles and papers on theatre, film production, and scriptwriting.
He has taken part in various seminars, talks, workshops and panel discussions on literature and performing arts.