• ♦   Senior Member, IEEE (The Institute of Electrical and Electronics Engineers, Inc., USA).
• ♦   Fellow, IETE (The Institution of Electronics and Telecommunication Engineers).
• ♦   Member, IEEE International Geoscience and Remote Sensing Symposium (IGARSS) Scientific Committee from 2010 onwards.
• ♦   Life Member, Indian Physics Association.
• ♦   Life Member, Indo-French Technical Association.