1) Bangladesh Academy of Sciences-Dr. M. O. Ghani Memorial Trust Fund Gold Medal Award-2005 for significant contribution to natural Products Chemistry and Biological Sciences.

2) Honorary Doctor of Science (D.Sc.) by the Open International University of Complementary Medicines, Colombo, Sri Lanka in December 1996.

3) Young investigator’s prize for 1996 by the Third World Academy of Sciences/Bangladesh Academy of Sciences for significant contribution to Natural Products Chemistry.

4) Constant Outstanding Performance Awards (COPA) by the SAIC Frederick, NCI-FCRDC for the period ending September 1998 and 1999.

5) Stelleta award for commitment and perseverance during post doctoral research at the Laboratory of Drug Discovery Research and Development (LDDRD), NCI, NIH, USA.

6) Chancellor’s award given by the President of the People’s Republic of Bangladesh and the Muhit Khan’s award for distinguishing result in the B. Pharm. (Hons.) examination.

7) The Association of Commonwealth Universities awarded a three year scholarship tenable at the University of Strathclyde, U.K. for carrying out research leading to Doctor of Philosophy.

8) Awarded Fogarty post doctoral fellowship by the U.S. National Institutes of Health (NIH) to work in the NCI’s anti-cancer and anti-HIV drug discovery programs.

9) Awarded books by the University of Dhaka for credential results in both B. Pharm. (Hons.) and M. Pharm. examinations.

10) Also received scholarships at various levels of school, college and university education.

1.   As an invited speaker delivered a talk entitled ‘New and interesting compounds from some medicinal plants and microbial strains of Bangladesh’ at the 6^th national seminar on Antidiabetic plant materials: separation techniques and biological testing organized by ANRAP (Asian Network for Research on Antidiabetic Plants) held in Dhaka on March 15, 2008.

2.   Participated at the WHO Regional Meeting on Role of Education in Rational Use of Medicines (RUM) held at Hotel Montien, Bangkok, Thailand during December 12-14, 2007.

3.   Attended at the Pharmaceutical Summit organized by Shimadzu Asia Private Limited  held in  Swissotel Stamford, Singapore during December 6-7, 2007. 

4.  As an invited speaker delivered a talk on “Natural products- potential sources of new drugs” at the First Indian Seminar on Plants in Diabetes- Prospects & Challenges held at the North East Institute of Science and Technology (NEIST), Jorhat, India during November 05-07, 2007.

5.  Attended the International Summit on Generic Antithrombotic Drugs organized by the International Union of Angiology (IUA), International Academy of Clinical and Applied Thrombosis (ICATH), North Americal Thrombosis Forum (NATF) & South Asian Society on Atherosclerosis and Thrombosis (SASAT) in Taj Mahal Hotel, Delhi, India on October 12, 2007. 

6.  As an invited speaker delivered a talk on “Present and future research perspectives in herbal, pharmaceuticals, biopharmaceuticals and biotechnological areas” at the Conference on Promotion of Biotechnology in Bangladesh: National and International Perspectives held in Dhaka, Bangladesh from April 6-8, 2007.

7.   Participated at the workshop on WHO Pricing of Medicines held in Kandy, Sri Lanka during June 13-16, 2006.

8.   Delivered a talk, as an invited speaker, on “New chondropsin macrolide lactams from the marine sponges in the genus Ircinia” at the 10th Asian Symposium on Medicinial Plants, Spices, and Other Natural Products (ASOMPS X), held in Dhaka, Bangladesh from November 18-23, 2000.  

9.   Attended the 220th National Meeting of the Americal Chemical Society, held in Washington, DC, USA from August 22-26, 2000.

10.  Presented a poster entitled “Cytotoxic b-carboline alkaloids from the ascidian Eudistioma sp.” at the 41st Annual Meeting of the American Society of Pharmacognosy, Seattle, Washington, USA during July 22-26, 2000.

11. Presented a poster entitled “HIV-inhibitory cembrane derivatives from the soft coral Lobophytum sp.” at the Joint Meeting of the American Society of Pharmacognosy, Association Francaise pour I'Enseignment et la Recherche en Pharmacognosie, Gesellschatt fur Arzneipflanzenforschung, and Phytochemical Society of Europe held in Amsterdam during July 26-30, 1999.

12. As an invited speaker delivered talk  on  “Chemical  and  biological  studies  of   some  medicinal  plants  of  Bangladesh” at the Department of Biology, University of Minnesota- Duluth on October 23, 1998.

13.  Participated at the ANRAP (Asian Network for Research on Antidiabetic Plants) workshop on Phytochemical Techniques held in the H.E.J. Research Institute of Chemistry, University of Karachi, Pakistan during November 16-20, 1996.

14. Presented a poster entitled “Mycalolides D and E, new cytotoxic macrolides from a collection of a stony coral Tubastrea sp. at the 35th Annual Buffalo Medicinal Chemistry Symposium, University of Buffalo, New York, USA during May 22-25, 1994.

15. Delivered a lecture entitled “Studies on Medicinal Plants of Bangladesh” at the National Seminar on Traditional Medicines  held on March 22, 1993 at the Hotel Purbani International, Dhaka, Bangladesh.

16. Attended a 15 day (16/7/92-30/7/92) international workshop organized by the International Network on Rational Use of Drugs (INRUD), held in Dhaka, Bangladesh