Indian Space Research Organisation did not launch PSLV-C37 on February 15, 2017.
 PSLV-C44 on 24 January 2019 was the first flight to use PSLV-DL variant of Polar Satellite Launch Vehicle
 The initial launch in 1979 was a failure followed by a successful launch in 1980 making India the sixth country in world with orbital launch capability

