ISRO is scheduled to launch its GSLV-F18/NVS-03 mission from Sriharikota on Friday. The satellite will strengthen India's NavIC navigation constellation with an L1 signal and improved capabilities, supporting positioning, navigation and timing services across India and surrounding regions for users. New Delhi: The Indian Space Research Organisation (ISRO) is scheduled to launch its GSLV-F18/NVS-03 mission at 11.51 p.m. on Friday, October 30, from the Satish Dhawan Space Centre (SDSC SHAR).