Rajshahi University of Engineering and Technology -RUET

Office of Civil Surgeon, Pirojpur

Jatiya Kabi Kazi Nazrul Islam University -JKKNIU

Office of Tax Commissioner, Dhaka 20

University of Dhaka

Bangabandhu Sheikh Mujibur Rahman Digital University

Special Branch, Bangladesh Police

Office of Tax Commissioner, Dhaka-22

Income Tax Intelligence and Investigation Unit (ITIIU)

Office of Civil Surgeon, Shariatpur

Office of Civil Surgeon, Sirajganj