Dr. S. C. Chakravarty did his Ph.D degree in space physics from the Physical Research Laboratory (PRL) , Ahmedabad, India and joined the Indian Space Research Organisation (ISRO) at Bangalore during 1973. He assumed various responsibilities to plan, organise and implement the coordinated atmospheric and space science research programmes sponsored by ISRO. As the Programme Director of Space Science research activities, Dr. Chakravarty was involved in the planning and coordination of work related to India\'s first moon mission, Chandrayaan-1. He also coordinated large number of scientific research programmes involving scientific balloon and sounding rocket experiments, space science satellite missions including Astrosat, SROSS-C, and Megha-Tropiques. Dr. Chakravarty also helped to enable Indian participation in internationally coordinated programmes like MAP, INDOEX, CAWSES etc. Presently his research activities include development of physics based and real time models on monsoon dynamics, the total electron content (TEC) of the ionosphere and aspects of mesospheric phenomena.