INSAT-3DR is an Indian weather satellite built by the Indian Space Research Organisation and operated by the Indian National Satellite System, also known as INSAT It provides meteorological services to India using a 6-channel imager and a 19-channel sounder, as well as search and rescue information and message relay for terrestrial data collection platforms. The satellite was launched on 8 September 2016, and is a follow-up to INSAT-3D.
INSAT-3DR was successfully launched on 8 September 2016 at 11:20 UTC aboard a Geosynchronous Satellite Launch Vehicle (GSLV Mk II) from the Satish Dhawan Space Centre, which was delayed from 28 August. The rocket placed it into a geostationary transfer orbit for eventual stationing in geosynchronous orbit at 74ð E.