From 1949-1950, he taught Bangla and English literature at Brojo Lal College in Doulat Pur, Khulna. Became a professor of English at Jagannath College in 1950. Lecturor of English at Dhaka University: English Dept(1950-1952, 1954-1955), Commerce Dept(1950-1951, part-time) and Bangla Dept(1955, part-time). He was lecturor of Bangla Dept. of Dhaka University from 1955-1962, Reader from 1962-1970, professor from 1970-1971. He was head of the Bangla Dept. from 1968-1969, and 1969-1971. He became the Dean of Arts Faculty in 1971.

He was inspired by leftist political thoughts since he was a student. He joined Pragati writers and artists guild in 1943. He attended Communist Party conference in 1948, and at the end of the same year, he became general secretary of Pragati group. He participated in the Language Movement of 1952. He addressed the Dhaka University teachers' meeting in 23^rd February 1952, protesting the killings and tortures of police in 21^st February and was arrested on the 26^th. He was in jail until June 1954 as a political prisoner. While in prison, he wrote his famous drama KOBOR(the Grave) in 17^th January, 1953. He was released in April 4, 1954 when Jukta Front came to power in East Bengal. He was arrested again in May 29 when the central government dismissed the provincial cabinet. He was released in October again. He is the inventor of Bangla typewriter keyboard, known as Munir Optima(1965). When, in 22^nd June, 1967, central radio and information minister, Khaja Shahab Uddin, banned Rabindra Sanghit(Sir Rabindranath's music) in a statement in the parliament, he protested. He opposed the initiative to reform the Bangla alphabet(1968).

Published books:

Play:

• Roktakto Prantor(Bloody Fields, 1962)


• Chiti(Letter, 1966)


• Kobor(Grave, 1966)


• Dandakaraynya(1966)


• Polassy Barrack and Others(1969)


• Dandakaraynya(1966)


Translation(Play):

• Keu Kichchu Bolte Pare na(1967)


• Ruper Kouta(1969)


• Mukra Romoni Boshikoron(Taming of the Shrew, 1970)


Essay:

• Dryden & D L Ray(1963, later included in Tulonamulok Somaluchona)


• Mir Manosh(1965)


• Tulonamulok Somaluchona(1969)


• Bangla Goydyarithi(1970)

He was awarded Bangal Academy Prize in 1962(Drama). For his book, Mir Manosh, He received Daud prize in 1965, and Sitara-e-Imtiaz title in 1966. In supoort of "Bangabadhnu" Sheikh Mujib's non-cooperation movement in March 1971, he returned the title, Sitara-e-Imtiaz.

Playwright, short-story writer, brilliant orator, successful professsor, critic, progessive-minded Munir Chowdhury is famous as a foremost intellectual of Bangladesh.

Although he issued statement in support of undivided Pakistan during the Liberation War of 1971 to save his life, he did not survive. In December 14^th 1971, at the eve of victory, he was abducted by Al-Badar Bahini(Islamic fundamentalists of Jamat-e-islami and right-hands of Pakistni military), and lost since.