 He is a fellow of several professional bodies like Indian National Academy of Engineering, FNAE (INAE),Indian National Academy of Sciences, FNA, (INSA), Astronautical Society of India (ASI), Aeronautical Society of India (AeSI), Indian Society of System Engineering for Science and Engineering (ISSE) and full member for International Academy of Astronautics (IAA) at Paris.He is also Fellow and past President for System Society of India (SSI).He has made significant contributions in the international area too.