Mission File Satellite NVS-03 (IRNSS-1L) Launch vehicle GSLV-F18 Launch window October 2026 Launch site SDSC SHAR, Sriharikota Mass 2,232 kg Target orbit Geosynchronous, 129.55°E Atomic clock Indigenous Rubidium (iRAFS) Design life 12 years In This Article What Is NVS-03 and Why Does It Matter? The Atomic Clock Story: From Swiss Failure to Indian Comeback Inside … Read more
Quick Comparison GSLV payload (GTO) About 2,500 kg LVM3 payload (GTO) About 4,200 kg GSLV cost per launch Roughly Rs 390 to 400 crore LVM3 cost per launch Roughly Rs 400 to 405 crore GSLV first flight 2001 (Mk I), 2010 (Mk II) LVM3 first flight 2017 GSLV flights so far 20, with 14 fully … Read more
Quick Comparison PSLV payload (Sun synchronous orbit) 1,100 to 1,750 kg, depending on variant SSLV payload (Sun synchronous orbit) About 300 kg, rising to near 390 kg after its 2025 upgrade PSLV cost per launch Roughly Rs 130 to 200 crore SSLV cost per launch Roughly Rs 30 to 35 crore PSLV first flight 1993 … Read more
Mission File Mission PSLV-C62 / EOS-N1 Launch date January 12, 2026, 10:17 hrs IST Site Satish Dhawan Space Centre, Sriharikota Vehicle PSLV-DL (64th PSLV flight) Payloads EOS-N1 + 15 co-passenger satellites Failed stage Third stage (PS3) Cause Roll-rate disturbance, propulsion instability Status Fix validated, PSLV cleared to fly again In This Article What Was PSLV-C62 … Read more
Mission File Developed by ISRO Launched Sept 2, 2023 Vehicle PSLV-C57 Location Sun–Earth L1 point Distance ~1.5 million km Orbit Halo orbit (since Jan 2024) Payloads 7 instruments Mission life ~5 years In This Article What Is Aditya-L1? Why Did ISRO Launch a Solar Mission? How Does Aditya-L1 Study the Sun? Why Is Aditya-L1 Important? … Read more
Engine File Developed by ISRO (LPSC) Programme CUSP Engine CE-7.5 Propellants Liquid H2 + Liquid O2 Cycle Staged combustion Used in GSLV Mk II upper stage Inducted GSLV-D5, Jan 2014 Status Operational In This Article What Is a Cryogenic Engine? Why Were Cryogenic Engines Developed? How Does a Cryogenic Engine Work? Why Is a Cryogenic … Read more
Robot File Developed by ISRO Programme Gaganyaan Type Semi-humanoid robot Name meaning Vyoma (space) + Mitra (friend) Build Head, torso, two arms Role Cabin & life-support test passenger Coordinating body Human Space Flight Centre Precursor flight announced 2024 In This Article What Is Vyommitra? Why Did ISRO Develop a Robotic Astronaut? How Does Vyommitra Work? … Read more
Chandrayaan-3 landed near the Moon’s south pole because the region offers a rare combination of scientific clues and future exploration value — and became a practical test of landing and operating in one of the most difficult places to reach.
SSLV stands for Small Satellite Launch Vehicle, and it is India’s newest rocket. Built by ISRO, it carries small satellites into space quickly and at low cost.
India’s NavIC satellite system has fallen to just three PNT-capable satellites, leaving it unable to provide standalone positioning. Here’s what went wrong, what still works, and how NVS-03 could help restore India’s own GPS.