Another feather in the cap for ISRO, as it successfully launched the GSAT-6 satellite on 27th August, 2015 using GSLV rocket which used indigenous built cryogenic engine. This was the second successive launch using the indigenous cryo-stage, the prior being launch of GSAT-14 satellite on 5th January, 2014 .
Cryogenic stage is technically a very complex system as it uses liquid oxygen(-183 deg C) and liquid hydrogen(-253 deg C). Maintaining such extremely low temperatures during the entire launch period is not an easy task at all. Only six space agencies including ISRO have been able to master the art of cryogenic stage technology.
""JAI HIND""
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