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.


