Head, Climate Change Informatics in CSIR- NISCAIR an autonomous institution under Council of Scientific and Industrial Research (CSIR),  Ministry of Science & Technology, Govt of India.  He is the Editor of Indian Journal of Geo-Marine Sciences (IJMS), a publication of CSIR.   He is a PhD in Oceanography  from Cochin University of Science & Technology , India. Thirty years research experience in coastal oceanography and twenty two years experience in Island studies.   Associated with science education,  science popularisation and ecological activities for the last 36 years.   Actively associated with scientists Associations to sustain ethics, truth and scientific temper in scientific institutions.   Published more than fifty publications, an examiner for doctoral thesis evaluation and member of national and international committees.   Invited for key note address and invited talk in many Universities.   Travelled in many countries.