1. This is a 1:2 model of CE20 Cryogenic engine used in the upper stage of GSLV Mk-III Vehicle used for launching GSAT communication satellites.

2. CE20 Engine is the cryogenic engine indigenously designed, realized, tested and successfully flawn by ISRO

3. The major sub systems are thrust chamber, gas generator, Liquid Oxygen turbopump, Liquid Hydrogen turbo pump and fluid control components.

The engine used cryogenic propellants such as Liquid Oxygen and liquid hydrogen. This engine works on the gas generator cycle. Here, combustion products from gas generator drives both turbopumps and these turbopumps pumps the propellants into the thrust chamber. Both propellants are burned in the combustion chamber of thrust chamber and generates high pressure and high temperature combustion products. These combustion product is expanded through the nozzle, which in turn generates thrust.