India successfully tests GSLV's cryogenic upper stage
ISRO successfully tested its indigenously developed Cryogenic Upper Stage for GSLV MkIII on January 25, 2017, for 50 seconds at ISRO Propulsion Complex (IPRC) at Mahendragiri in Tamil Nadu. The next generation launch vehicle of ISRO is capable of launching 4-ton class spacecraft into Geosynchronous Transfer Orbit (GTO). The 50-second test is a significant milestone, ISRO stated.