In the year 1959, he won the Sahitya Akademi Award in Bengali for his novel, Kolkatar Kāchhei (A Stone's Throw from Kolkata).
He wrote many novels, short stories, plays, essays and poems.
Mitra also translated a few English novels into Bengali, such as Dickens's A Tale of Two Cities.
His genuine love and concern for Bengali literature inspired him to co-found the famous Mitra and Ghosh Publishers.
[citation needed] Mr Mitra along with his friend Sumathanath Ghosh established Mitra & Ghosh Publishers on 9 March 1934.