| COLABA OBSERVATORY LIST OF DIRECTORS |
||
| Prof. A. B. ORLEBAR | SEP 1841 | MAY 1842 |
| Dr. GEORGE BUIST | JUL 1842 | MAR 1845 |
| Prof. A. B. ORLEBAR | APR 1845 | JAN 1847 |
| Commander C. W. MONNTRIOU | FEB 1847 | AUG 1851 |
| Lieut. E. F. T. FERGUSSON | SEP 1851 | SEP 1860 |
| Lieut. P. W. MITCHESON | SEP 1860 | SEP 1861 |
| Lieut. E. F. T. FERGUSSON | SEP 1861 | SEP 1863 |
| Lieut. W. L. SEARLE | SEP 1863 | APR 1865 |
| Commander G. T. ROBINSON | APR 1865 | SEP1865 |
| Prof. CHARLE CHAMBERS | SEP 1865 | FEB 1896 |
| Dr. N. A. F. MOOS | FEB 1896 | MAY 1919 |
| Dr. C. W. B. NORMAND | JUN 1919 | JUN1919 |
| Mr. T. K. CHINMAYANANDAM | JAN1920 | FEB 1922 |
| Dr. S. K. BANERJI | APR 1922 | DEC 1925 |
| Dr. B. N. BANERJI | DEC 1925 | MAR 1926 |
| Dr. K. R. RAMANNATHAN | MAR 1926 | JAN 1927 |
| Dr. S. K. BANERJI | JAN 1927 | NOV 1932 |
| Dr. B. N. BANERJI | NOV 1932 | SEP 1933 |
| Dr. S. C. ROY | SEP1933 | MAR 1936 |
| Dr. K. R. RAMANNATHAN | MAR 1936 | OCT 1938 |
| Dr. S. R. SAVUR | OCT 1938 | MAR 1945 |
| Mr. J. M. SIL | MAR 1945 | JUL 1945 |
| Dr. S. K. CHAKRABARTY | JUL 1945 | APR 1948 |
| Dr. A. N. TANDON | APR 1948 | JUL 1948 |
| Mr. S. L. MALURKAR | JUL 1948 | AUG 1959 |
| Dr. P. R. PISHAROTY | SEP 1959 | NOV 1962 |
| Mr. K. N. RAO | NOV 1962 | NOV 1965 |
| Prof. B. N. BHARGAVA | FEB 1966 | MAR 1971 |
| INDIAN INSTITUTE OF GEOMAGNETISM | ||
| Prof. B. N. BHARGAVA | APR 1971 | DEC 1979 |
| Prof. R. G. RASTOGI | MAY 1980 | DEC 1989 |
| Prof. B. P. SINGH | NOV 1991 | AUG 1997 |
| Prof. G. S. LAKHINA | APR 1998 | APR 2004 |
| Prof. (Mrs.) A. BHATTACHARYYA | JAN 2005 | MAY 2010 |
| Prof. D. S. RAMESH | NOV 2013 | OCT 2021 |
| Prof. A. P. DIMRI | APR 2022 | |
