GSAT-31 is a high-throughput telecommunication satellite developed by the Indian Space Research Organisation (ISRO).

[2] The satellite's main communication payload is Ku band and acts as a replacement of the aging INSAT-4CR.

It is used for VSAT networks, television uplinks, digital signage new gathering, DTH services and other communication systems.

[3][4][5] The satellite was launched through the 103rd flight of Ariane 5 ECA on 5 February 2019 at 21:01 UTC, the vehicle also deployed Hellas-Sat-4/SaudiGeoSat-1.

[7] In July 2019, GSAT-31 maneuvered to lower its altitude and drifted eastward to reach new slot at 82.95°E on 31 August 2019.