Former Professor of Medical Physics (2001)
Himalayan Institute of Medical Sciences, Jollygrant, Uttarnchal
Former Deputy Director, Defence Laboratory, Jodhpur , Rajasthan , India (1983-1997)
Former Lecturer, Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi, India (1964-1983)
Assembly Member, World Federation of Nuclear Medicine and Biology, Tokyo , 1974
And Chaired an Instrument session during First World Congress of Nuclear Medicine, Tokyo , 1974.