University of Dhaka

Office of Civil Surgeon, Noakhali

Nuclear Power Plant Company Bangladesh Limited (NPCBL)

Bangladesh Petroleum Corporation

Department of Livestock Services (DLS)

Department of Livestock Services (DLS)

Office of Tax Commissioner, Chattogram

SKS Foundation

Office of Civil Surgeon, Netrokona

University of Dhaka

Non-Government Teachers Registration and Certification Authority-NTRCA