INSAT-3DR is an advanced weather satellite designed for enhanced meteorological observations and will replace INSAT-3D. This involves monitoring land and ocean surfaces, as well as the atmosphere, to provide weather forecasting and disaster warnings. The satellite weighs 2061kg and will operate in a geo-synchronous orbit for its 7 year lifespan.
Geosynchronous Satellite Launch Vehicle Mark II (GSLV Mk II) is the largest launch vehicle developed by India, which is currently in operation. This fourth generation launch vehicle is a three stage vehicle with four liquid strap-ons. The indigenously developed cryogenic Upper Stage (CUS), which is flight proven, forms the third stage of GSLV Mk II. From January 2014, the vehicle has achieved four consecutive successes.
The Indian Space Research Organisation (ISRO) is the space agency of the Government of India headquartered in the city of Bangalore. Its vision is to "harness space technology for national development while pursuing space science research and planetary exploration."INFO WIKI