AFFILIATION TO SCIENTIFIC ORGANIZATIONS
1. Regular Associate of the International Centre for Theoretical Physics, Italy.
2. Member of the American Association for the Advancement of Science (AAAS), USA. 3. Member of the Edinburgh Mathematical Society (EMS), Edinburgh, Scotland, UK.
4. Life Member of the Bangladesh Association for the Advancement of Science, Bangladesh.
5. Life Member of the Bangladesh Physical Society (BPS), Dhaka, Bangladesh.
6. Team Member of Dust Plasma Interaction in Space, ISSI, Bern, Switzerland.
7. Member of the Organizing Committee: ICPPP, 03-07 September 2001, Faro, Algarve, Portugal.
8. Member of the Scientific Programme Committee: ITCPP, 03-07 September 2001, Faro, Portugal.
9. Member of the International Advisory Committee: ITCPP, 08-12 September 2003, Santorini Island, Greece.
9. Member of the International Advisory Committee, The 4th ICPDP: 13-17 June 2003, Orleans, France.
10. Member of the Scientific Programme Committee, The 5h ICPDP: 18-23 May 2008, Azores, Portugal.