| Operations Research Society of America |
(1978 - 82) |
| Operations Research Society of India |
(1972 - 73, 1984 - ) |
| Institute of Industrial Engineers |
(1973 - 78, Sr. Member 1983 - ) |
| Institution of Engineers, India |
(1986 - ) Fellow (1991- ) Life Member |
| Indian Institution of Industrial Engineers |
(1986 - ) Life Member |
| Indian Society for Technical Education |
(1990 - ) Life Member |
| Institute of Electronics and Telecommunication Engineers |
(2002 - ) Hon Fellow |
| Indian National Academy of Engineering |
(2006- ) Fellow |
