Member, Executive Council, Alumni Association, IIT Delhi
Life Member, National Academy of Sciences, INDIA
Life member & Joint Secretary, Indian Physics Association (IPA)
Life member, Indian Crystallographic Association (ICA)
Life member, Ion beam society of India (IBA)
Life Member, Vigyan Bharti (VIBHA), INDIA
Life member, Alumni Association, IIT Delhi
Life member, Society for Materials Chemistry (SMC)
Life member, Indian Nuclear Society (LM-11033)