| Employer | Post Held | Salary | Period of Service | Nature of Duties |
| Cochin University of Science & Technology, Dept of Geology & Geophysics, Cochin-16 | Guest Faculty Member | Contract Basis | 1991 onwards | Post Graduate teaching in Physcial Oceanography, Fluid Mechanics |
| Director General, Kuwait Institute of Scientific Research, Kuwait | Research Specialist | KD 1130 p.m., 1KD = $3.30 | May 1996-August 1990 | Physical Oceanography, Research and supervision of Marine Pollution and Fisheries Oceanography Research |
| Director, Center for Earth Science Studies, Trivandrum | Scientist C | Rs.3300/-Basic (CSIR scale) |
June 1981-May 1986 | Coastal zone management studies, Ocean waves measurement & prediction, Coastal dynamics |
| Ministry of Education, Govt. of Japan | Monbusho Fellowship | Yen 196000p.m. | Oct 1976-Mar 1981 |
Doctoral Research & Air Sea interaction studies |
| Director,N.I.O., Goa | Senior Scientific Assistant |
CSIR scale | May 1975-June 1981 | Coastal Oceanography Studies |
| Director N.I.O., Goa | Junior Scientific Assistant | CSIR scale | August 1972-May 1975 | Coastal Oceanography studies |
| Cochin University | Junior Research Fellow(CSIR) |
CSIR Fellowship | June 1971-August 1972 | Nutrient distribution studies in Cochin Backwaters |