ISRO's centre for liquid-fuel and cryogenic rocket stages and satellite thrusters, with campuses at Valiamala near Thiruvananthapuram and in Bengaluru.
LPSC designs and develops the liquid propulsion stages of ISRO's rockets. It also makes the valves, sensors and propellant-management parts these stages need.
The Valiamala campus is the headquarters, handling research, design and the liquid and cryogenic propulsion teams. The Bengaluru campus designs and builds propulsion systems for remote-sensing and communication satellites.
ISRO's liquid-engine work was first split between two groups. In 1985 they were merged into the Liquid Propulsion Systems Unit. That unit became the Liquid Propulsion Systems Centre on 1 June 1987.
LPSC develops the liquid stages for ISRO's launch vehicles. In 2026 it also tested the RAMAN-I liquid engine used in the upper stage of Skyroot's Vikram-I rocket.