Member of Selection Committee for the 2015-Computers & Geosciences Research Scholarships (Co-Sponsored by Elsevier and IAMG)
Member, Technical Programme Committee, 12 International Symposium on Mathematical Morphology (ISMM2015), Reykjavik, Iceland, May 27-29, 2015.
Expert in the Programme Monitoring Committee, Board of Research in Nuclear Sciences (BRNS), Department of Atomic Energy (DAE), Govt. of India
National Science Foundation-USA (NSF) Proposal Reviewer (2012 & 2014)
Member, Programme Committee, 11th International Symposium on Mathematical Morphology, May 27–29 2013, Uppsala, Sweden
Convener for Session 22 on Mathematical Morphology in Geosciences and Geoinformatics, 16th International Association for Mathematical Geoscience (IAMG) Conference, Oct 17-20, 2014, New Delhi, India
Member, International Scientific Committee, 16th International Association for Mathematical Geoscience (IAMG) Conference, Oct 17-20, 2014, New Delhi, India
Member, MHRD (Govt. of India) Committee on Normalization of Class-XII Board marks
Member of Panel to Review IEEE Senior Member applications (30 March 2013, Bangalore, India)
Elected Fellow of Indian Geophysical Union (2011- )
Guest Editor, Special Issue of IEEE Journal of Selected Topics in Signal Processing
Guest Editor, Special Issue of International Journal of Remote Sensing.
Member SIGSPATIAL of ACM (since 2008-)
Elected Senior Member, I.E.E.E (USA, Geoscience and Remote Sensing Society (GRSS), and Computer Society) (Since 2003-)
Member American Geophysical Union (since 2003-)
Member, Technical Program Committee, IGARSS-2013
Member, Technical Program Committee, IGARSS-2012
Member, Technical Program Committee, IGARSS-2011.
Member, Technical Program Committee, IGARSS-2010.
Member, Technical Program Committee, IGARSS-2009.
Member, Technical Program Committee, IGARSS-2008.
Editor, Discrete Dynamics in Nature & Society: Multidisciplinary Review and Research Journal, Hindawi Publishers (2002-2015).
Member, Technical Program Committee, IGARSS-2006.
Associate Editor (2004-March 2006) and Guest Editor to a Special Issue of I.E.E.E Geoscience and Remote Sensing Letters
Krishnan GoldMedal-2002, Indian Geophysical Union: Krishnan Medal-2002
Chairman for the Technical Session on Multimedia Technology Applications (in MMU International Symposium on Information and Communication Technologies 2002.
Deputy Chairman (in-charge for Melaka Campus) of Centre for Applied Electromagnetics (CAEM)
Elected Fellow of Royal Geographical Society (1999- ).
1999- Member of the British Geomorphological Research Group
1999- Member of the Environmental Research Group
1999- Member of the Quantitative Methods Study Group of the RGS-IBG
Member of New York of Academy of Sciences-1995. (in active)
Visiting Fellowship TIFR (Tata Institute of Fundamental Research) Bangalore centre under short term visitors programme.
Visiting Fellow to JNCASR (Jawaharlal Nehru Centre for Advanced Scientific Research) to work with Dr. K. Kasturirangan, Chairman, Dept of Space.
Guest Faculty to Centre for Space Science Technology Edication-Asia Pacific Region (CSSTE-AP), affiliated to United Nations.
20th Century outstanding achievement award from International Biographical Centre, Cambridge
Guest Editor to a Special Issue of Journal Mathematical Geology
Listed in the Marquis Who's Who in the World (15th Edition) since 1997.
Listed in the International Who's Who of Intellectuals (13th Edition) since 1998.
Listed in the Dictionary of Who's Who in the World (27th Edition) of International Biographical Centre, since 1998.
Listed in the Marquis Who's Who in the Science and Engineering since 2004.
Guest Editor to a Special Issue of International Journal of Pattern Recognition and Artificial Intelligence.
Guest Editor to a Special Issue of Chaos Solitons & Fractals.
Guest Editor to a Special Issue of I.E.E.E Geosciences and Remote Sensing Letters.
Editorial Advisory Board Member, Computers & Geosciences (Elsevier Publishers)
Editor of ICTACT Journal
Reviewer for I.E.E.E. Transactions on Systems, Man and Cybernetics-Part A.
Reviewer for I.E.E.E. Geoscience and Remote Sensing Letters.
Reviewer for I.E.E.E. Transactions on Geoscience and Remote Sensing.
Reviewer for IEEE Transactions on Pattern Analysis and Machine Intelligence
Editor of Discrete Dynamics in Nature and Society (An International Multidisciplinary Research and Review Journal)
Reviewer for University Press (India) Limited, (an associate of Orient Longman Ltd).
Reviewer for Journal Mathematical Geology, International Association of Mathematical Geology.
Reviewer for International Journal of Remote Sensing.
Reviewer for Computers & Geosciences.
Reviewer for International Conference on Pattern Recognition (ICPR-2001)
Reviewer for 8th European Congress for Stereology and Image Analysis
Reviewer for International Journal for Pattern Recognition and Artificial Intelligence (IJPRAI)
Reviewer for Chaos Solitons & Fractals
Reviewer for Tribology International
Reviewer for IEEE Signal Processing Letters