| 1 | Member | National Space Society, NSS, Washington, USA |
| 2 | Member | Space Generation Advisory Council (SGAC), in support of the United Nations program on Space Applications |
| 3 | Member | The MARS Society (USA) |
| 4 | Member | American Energy Society |
| 5 | Member | Lifeboat Foundation (USA) |
| 6 | Member | Asia-Pacific Chemical, Biological& Environmental Engineering Society , (APCBEES) Hong Kong |
| 7 | Member | American Society of Civil Engineers |
| 8 | Fellow | American Society of Civil Engineers |
| 9 | Fellow | Institution of Engineers (India), IEI, Chartered Engineer |
| 10 | Fellow | Association of Consulting Civil Engineers (India), ACCE(I) |
| 11 | Fellow | Indian Association of Structural Engineers, IAStructE |
| 12 | Member | Consulting Engineers Association of India, CEAI |
| 13 | Member | Aeronautical Society of India |
| 14 | Member | Computer Society of India |
| 15 | Member | Maharashtra India Chapter of American Concrete Institute |
| 16 | Fellow | Maharashtra India Chapter of American Concrete Institute |
| 17 | Member | Indian Concrete Institute |
| 18 | Member | Indian Roads Congress |
