Sylhet MAG Osmani Medical College

Office of Civil Surgeon, Rajshahi

Land Record and Survey Department

Jatiya Kabi Kazi Nazrul Islam University -JKKNIU

Bangladesh Petroleum Corporation

Office of Tax Commissioner, Chattogram

National Institute of Population Research and Training (NIPORT)

Office of Civil Surgeon, Rajshahi

Land Record and Survey Department

Shahjalal University of Science and Technology -SUST

Bangladesh Petroleum Corporation