Aeronautical Society of India (M-20497).

Institution of Engineers (India) (M-166846-8).

Indian Society for Technical Education (LM-129296).

Indian Society for Heat and Mass Transfer (LM-1326).

Indian Science Congress Association (L-39429).

Indian Society of Theoretical and Applied Mechanics (L-795).

Bharatiya Paramparik Gyan Vigyan Samaj (BPGVS) (LM-096).