India launches most powerful rocket India has launched its most powerful homegrown rocket to date Ð the Geosynchronous Satellite Launch Vehicle Mark III (GSLV Mk III) GSLV Mk III Weight: 640 tonnes Payload fairing Will carry 3,136kg GSAT-19 communications satellite Ð heaviest lifted by Indian rocket to date Ð to altitude of 179km in just over 16 minutes Third stage: Powered by CE-20 cryogenic engine, carries 28 tonnes of fuel CHINA New Delhi INDIA Mumbai Bay of Bengal Sriharikota Launch site EVOLUTION OF INDIAÕS SPACE LAUNCHERS Height 22m Satellite Launch Vehicle-3 (SLV-3) First flight 1980 24m Augmented SLV 1987 44m Polar SLV 1993 49m GSLV Mk II 2001 43m GSLV Mk III Jun 5 2017 Second stage: 4m diameter, carries 110 tonnes of liquid propellant. Powered by two Vikas engine that ignite 114 seconds after lift-off First stage: Two strap-on solid rocket boosters, each with 205 tonnes of propellant. Separation occurs about 140 seconds after lift-off Source: Indian Space Research Organisation (ISRO)