Mohsin passed away during treatment at Dhaka's Combined Military Hospital at 9:30am on Monday, as confirmed by Selina Haque, additional secretary to the defence ministry. Prime Minister Sheikh Hasina expressed deep sorrow at Mohsin's death and extended her condolences to his family. Mohsin had been admitted to CMH on Jun 2 after testing positive for the coronavirus and was later moved to intensive care where he received plasma therapy as his condition worsened. He was the younger brother of former principal secretary Kamal Abdul Naser Chowdhury and was promoted to senior secretary on Jun 14 while still in the hospital. Mohsin, born in Cumilla in 1963, earned an MSc in Soil Science from Dhaka University and a MA in Governance Studies from Northern University in Dhaka. He was a member of the 1985 BCS batch and held various positions in the Ministry of Fisheries and Livestock, Ministry of Finance, Ministry of Industries, Ministry of Health and Family Welfare, and the Prime Minister's Office. Prior to his time at the defence ministry, he served as secretary to the Ministry of Environment, Forest and Climate Change.