Member: The Joint FAO/WHO Expert Committee on Food Additives (JECFA). [Food and Agriculture Organization of the United Nations (FAO) and the World Health Organization (WHO]
Adjunct Professor: Indian Institute of Technology, Hyderabad
Adjunct Professor:Jamia Hamdard University, New Delhi
Visiting Professor :Bharat Institute of Higher Education and Research, Chennai, India
Member: Expert Committee on RCGM (Review Committee on Genetic Manipulation, Department of Biotechnology, Govt. of India, New Delhi
Certificate of appreciation from Hon. Minister of Science and Technology, Govt. of India for the contribution to India getting full adherent status on GLP from OECD , New Delhi (NGCMA, DST, 2011)
Visiting Professor: Graduate School of Interdisciplinary New Science, Toyo University, Japan
Visiting Researcher: Bio Nano Electronics Research Centre, Toyo University, Japan
JSPS Bridge Fellowship, 2012, Japan Society for Promotion of Science, Govt. of Japan
Senior Toxicologist Fellowship' award by the International Union of Toxicology (IUTOX), USA (2010)
JSPS Postdoctoral fellowship award, 2000, Japan Society for the Promotion Sciences, Govt. of Japan
STOX/ASAW-Surajben Jethalal Thaker Prakruti Mandir Gold medal Award (2009)
Shared Thomas Edison Award-2014: Excellent research in Free Radicals and Antioxidants.
Shared Best Poster award at the 2nd International Summit on Toxicology, 7-9 October, 2013, Las Vegas, USA.
Country Correspondent for the World Library of Toxicology, USA, 2010
Certified Biological Safety Specialist, NAMSA, USA, 2009
National GLP Inspector, NGCMA, DST, New Delhi.
Secretary General of Society of Toxicology, India (2006-2012)
Chairman, South Chapter, Indian JSPS Alumni Association (2010-2013).
General Secretary, Indian JSPS Alumni Association (2013-present)
Secretary General, Association of Toxicology, India (2012 to 2013)
Associate Editor: Expert Reviews of Immunology, Vaccines and Informatics [Exp Rev Immunol Vaccine Informat] journal
Editorial Board member: Toxicology International Journal
Editorial Board member: International Journal of Medical Nano Research
Editorial Board member: International Journal of Composite and Constituent Materials
Editorial Board member: International Journals of Nanobiotechnology
Editorial Board member: International Journal of Bioincs and Bio-Materials
Organizing Secretary: Three Days Intensive Residential Training Programme on 'Toxicity, Safety, Biocompatibility Evaluation of Materials, Medical devices and Combination Products', Trivandrum, 17-19 February 2014
Organizing Secretary: International Conference on Futuristic Science and Technology in Frontier areas & 2nd Annual Conference of Indian JSPS Alumni Association (INDO-JAPAN), Thiruvananthapuram, Kerala, India, August 5-6, 2011
Organizing Secretary, INDO-US symposium on GLP: emphasis on medical devices, 5-7, March 2008, Trivandrum
Organizing Secretary: Silver Jubilee Year celebrations of Society of Toxicology and National Symposium on Good Laboratory Practice and regulatory issues, October 28-30, 2004 at SCTIMST, Trivandrum