University of Dhaka

Office of District Commissioner, Feni

Office of Civil Surgeon, Rajshahi

University of Dhaka

Sylhet MAG Osmani Medical College

National Institute of Population Research and Training (NIPORT)

BRAC

Jatiya Kabi Kazi Nazrul Islam University -JKKNIU

Land Record and Survey Department

Proyash Savar Area

Nuclear Power Plant Company Bangladesh Limited (NPCBL)