1. Mymensingh Engineering College (University of Dhaka),Department of EEE,Mymensingh,2000
2. Karlsruhe Institute of Technology,Karlsruhe School of Optics and Photonics (EuroPhotonics),Karlsruhe,Germany
3. Mymensingh Engineering College (University of Dhaka),Faculty, Department of EEE,Mymensingh,2000
4. Dhaka University of Engineering Technology,Faculty, Department of EEE,Gazipur,Dhaka
5. Politecnico di Torino,Nanotechnologies For ICTs,Turin,Italy