| Position | Instituition | Year |
| Emeritus Scientist (CSIR) |
National Aerospace Laboratories, Bangalore |
2003 - Present |
| Scientist G |
National Aerospace Laboratories, Bangalore |
1999 - 2002 |
| Scientist F |
National Aerospace Laboratories, Bangalore |
1994 - 1998 |
| Scientist EII |
National Aerospace Laboratories, Bangalore |
1989 - 1993 |
| Advisory Consultant |
Raman Research Institute, Bangalore
|
1987 - 1989 |
| Scientist EI |
National Aerospace Laboratories, Bangalore |
1984 - 1988 |
| Scientist C |
National Aerospace Laboratories, Bangalore |
1979 - 1983 |
| Scientist B |
National Aerospace Laboratories, Bangalore |
1973 - 1978 |
| Pool Officer (CSIR) |
National Aerospace Laboratories, Bangalore |
1971 - 1973 |
| Senior Research Assistant |
Indian Institute of Science, Bangalore |
1969 |
| Post Doctoral Research |
Chemical Crystallography Laboratory, Oxford, England |
1969 - 1971
1976 - 1977 |