[3] His cousin, Muhammad Ataul Ghani Osmani, was the first chief of staff of the Bangladesh Army.
[5] Osmany served as the Ambassador and Permanent Representative of Bangladesh to the United Nations and other Offices in Geneva in 1991 and 1992.
[8] In 2006, Osmany edited Religious militancy and security in South Asia with Shaheen Afroze.
[9] He was the chairman of the board of governors of Bangladesh Institute of International and Strategic Studies from 2003 to 2008.
[10][11][12] He wrote Global War on Terror: Bangladesh Perspective with Mohammad Humayun Kabir in 2007.