Mohsin passed away while undergoing treatment at Dhaka's Combined Military Hospital at 9:30am on Monday, according to Selina Haque, an additional secretary to the defence ministry. Prime Minister Sheikh Hasina expressed deep sorrow over Mohsin's death and extended her condolences to his family. Mohsin, who tested positive for coronavirus, was admitted to CMH on June 2 and later transferred to intensive care where he received plasma therapy as his condition worsened. He was promoted to the rank of senior secretary on June 14 while still in the hospital. Mohsin was the younger brother of former principal secretary Kamal Abdul Naser Chowdhury. Mohsin was born in Cumilla in 1963 and obtained an MSc in Soil Science from Dhaka University. He then went on to complete an MA in Governance Studies from Northern University in Dhaka. As a member of the 1985 BCS batch, Mohsin 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 working at the defense ministry, he served as the secretary to the Ministry of Environment, Forest and Climate Change.