technology
Rahul Kumar
November 3, 2025
India’s heaviest satellite (4,410 kg) launched successfully from Sriharikota on 2 November 2025.
– Built by ISRO for the Indian Navy – Provides multi-band communication: UHF, S-band, C-band, Ku-band – Enhances secure communication for ships, submarines & aircraft– Built by ISRO for the Indian Navy – Provides multi-band communication: UHF, S-band, C-band, Ku-band – Enhances secure communication for ships, submarines & aircraft
– Lift-off from Satish Dhawan Space Centre, Sriharikota – Launch time: 5:26 PM IST – Orbit: Geosynchronous Transfer Orbit (GTO) – Heaviest satellite ever launched from Indian soil
– Weighs 4,410 kg — heavier than GSAT-29 (3,423 kg) – Previous record: GSAT-11 (5,854 kg) — launched from French Guiana – First time India placed such a large satellite in orbit on its own
– Cryogenic stage improved by ~10% – Re-ignition test successful – Enables multiple-satellite and complex orbit missions in future
– Will ensure uninterrupted data and voice links in Indian Ocean Region – Improves coordination between naval assets during long-range mission
– Upcoming heavy-lift missions in 2026 – Preparing for Gaganyaan and more advanced communication satellite – Strengthening India’s self-reliance in space
– GSAT-7R proves India’s capability in heavy satellite launche Strengthens defence and communication network “One more step towards Atmanirbhar Space Power”