University of Dhaka

Rajshahi University of Engineering and Technology -RUET

Office of Tax Commissioner, Dhaka-22

Khulna University

Office of Tax Commissioner, Dhaka-24

Transparency International Bangladesh (TIB)

Office of District Commissioner, Jhenaidah

Rajshahi University of Engineering and Technology -RUET

Islamic Arabic University, Dhaka

Office of Civil Surgeon, Tangail

Islamic Arabic University, Dhaka