[2] Chowdhury is a political figure, a dedicated social worker, education enthusiast and cultural activist.
In 1975, due to the situation of being underground after the assassination of Bangabandhu Sheikh Mujibur Rahman in 1971, he was arrested while returning from New Market area after attending a rally at Dhaka University.
[5] Chowdhury served as the Co-General Secretary of Bangladesh Chhatra League Central Student Council in 1970.
[7] When the assassination of Sheikh Mujibur Rahman took place in 1975, Chowdhury contributed to the development of the nationwide democratic student movement and resistance struggle.
In 1996, played a significant role as one of the organizers in the platform "Janatar Mancha" formed by the Bangladesh Civil Service Officers against the unilateral elections called by Khaleda Zia.
[10] After passing the BCS examination in 1983, Chowdhury joined the administration cadre and in 1986 served as private assistant secretary to the leader of the opposition in the Jatiya Sangsad, Sheikh Hasina.
[11] In 1996, Chowdhury played an important role as one of the organizers of the Janata Manch, which consisted of Bangladesh Civil Service officers, against the unilateral election by Khaleda Zia.
Later left the government job and joined politics[12] He was nominated twice as a member of Bangladesh Awami League Central Executive Committee.