Until 2018, the GSLV launch vehicle was used 13 times. There are two launches of GSLV slated for the year 2021. You can read about the GSLV Mk III – A Comprehensive Overview of Heavy Lift Launch Vehicle in the given link.
- Indian Space Research Organisation [ISRO Notes for UPSC]
- Mars Orbiter Mission (MOM) – A Complete Overview of Mangalyaan Mission