EOS-1 (previously known as RISAT-2BR2) is an imaging mission of ISRO using an active SAR (Synthetic Aperture Radar) imager to provide continuity of service for RISAT-2. The objective of the RISAT mission is to use the all-weather as well as the day-and-night SAR observation capability in applications such as agriculture, forestry, soil moisture, geology, sea ice, coastal monitoring, object identification, and flood monitoring, but also for military surveillance. Flight also carries 9 rideshare payloads, including Lithuanian NanoAvionics R2 satellite - pathfinder for their M6P cubesat platform, 4 KSM satellites of Kleos Space for a maritime geolocation constellation, and 4 Lemur satellites for Spire.

PSLV-DL variant has only two strapons boosters with 12 tonne propellant load on them. PSLV-C44 on 24 January 2019 was the first flight to use PSLV-DL variant of Polar Satellite Launch Vehicle.

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."