1. The 17th Bangladesh Science Conference, 6-9
May
1992,
Gazipur, Dhaka, Bangladesh (Talk).
2. International Workshop on Plasma Physics,
7-12
March 1992,
Dhaka University, Dhaka, Bangladesh
(Talk).
3. The 3rd Chittagong Conference on Mathematical
Physics,
29-31 December 1992, Chittagong
University,
Chittagong,
Bangladesh (Talk).
4. Spring College on Plasma Physics, 17 May
-11
June 1993,
AS-ICTP, Trieste, Italy
(Poster).
5. Scottish Summer School on Laser Plasma
Interaction,
8-22 June
1994, University of St. Andrews, St.
Andrews, Scotland, UK
(Poster).
6. Meeting on Turbulence, 22-25 July 1994,
Rutherford
Appleton
Laboratory, Oxford, UK
(Talk).
7. The 2nd Aisla Topical Workshop in Theoretical
Physics,
31 July -2 August 1995, Rutherford
Appleton Laboratory,
Oxford, UK (Talk).
8. Topical Workshop on Plasma Physics: Coherent
Processes
in
Non-linear Media, 16-20 October
1995,
AS-ICTP, Trieste,
Italy (Poster).
9. Institute of Physics Meeting, 30 March - 3
April
1996, Crief,
Scotland, UK (Poster).
10. The 3rd Chittagong Conference on Foundations and
Philosophy
of
Physical Sciences, 17-19
December 1996, Chittagong University,
Bangladesh (Talk).
11. International Symposium on Recent Advances in
Physics,
21-23
March 1997, Bangladesh
University
of Engineering and
Technology, Dhaka, Bangladesh
(Talk).
12. The 20th Bangladesh Science Conference,
28-30
November 1998,
Bangladesh University of
Engineering
and Technology, Dhaka,
Bangladesh (Talk)
13. International Topical Conference on Plasma
Physics:
Colloidal
Plasma Science, 03-07 July
2000,
AS-ICTP, Trieste,
Italy (Poster).
14. Meeting on `Dust Plasma Interaction in Space':
11-15
June 2001,
ISSI, Bern, Switzerland
(Talk).
15. International Topical Conference on Plasma
Physics:
New Horizon in Plasma Physics,
03-07 September 2001,
Universidade do Algarve, Faro,
Portugal
(Talk).
16. Meeting on `Dust Plasma Interaction in Space':
25-30
November
2001, ISSI, Bern, Switzerland
(Talk).
17. Meeting on `Dust Plasma Interaction in Space':
22-28
April
2002, ISSI, Bern, Switzerland
(Invitation for Writing a Chapter of
a Book: Dust
Plasma
Interaction in Space).
18. International Topical Conference on Plasma
Physics:
Complex Plasmas
in the
New Millennium: 08-12 September 2003,
Santorini, Greece (Poster
Presentation).
19. A Seminar on Plasma Physics:
20 October 2003, Department of Plasma Physics Umea
University, Umea, Sweden (Talk).
20. Regional Workshop on Physics: 03-07 May 2004, IPM, Tehran, Iran (Review Talk).
21. SFB 591: Dusty Plasma Physics - New Horizons: 22 June 2004,
Ruhr-Universisitat
Bochum, Bochum, Germany (Review
Talk).
22. Workshop on Theoretical Plasma Physics: 05-16 July 2004, The
AS-ICTP, Trieste,
Italy (Talk).
23. The 12th International Congress on Plasma
Physics (ICPP12): 21-29 October 2004,
Nice, France
(Review Talk).
24. The 4th International Conference on Physics of
Dusty Plasmas (ICPDP4)}: 13-17 June
2005, Orleans, France (Talk).
25. The Autumn College on Plasma Physics, 05 - 30
September 2005, The AS-ICTP, Trieste,
Italy
(Lecture).