| Examination | University | Year of Passing | Class, % of marks | Subjects |
| SSLC | Kerala Board | 1964 | First | Science Mathematics, English, Social Studies, Hindi |
| B.Sc. | Kerala University | 1969 | First | Physics Main, Mathematics & Chemistry Sub |
| M.Sc. | Kerala University | 1971 | First class, Second Rank | Physical Oceanography |
| Doctor of Science(D.Sc.) | Tohoku University, Sendai, Japan | 1981 | Geophysics(Physical Oceanography) | |
| Arabic | Kuwait University | 1989 | Arabic | |
| Japanese | Osaka University of Foreign Studies, Japan | 1976 | Japanese |