CMS-03 (GSAT-7R): ISRO’s Heaviest Communication Satellite

3 November 20251 min read

Why in the news

ISRO lifted off its heaviest communication satellite yet, CMS-03, also called GSAT-7R.

Multi-band payload: C, Ku and Ka; covers the mainland and wide ocean areas.
Mission life 15 years, with high-throughput transponders for broadband.
Serves defence, maritime, government and disaster-management links; succeeds the ageing GSAT-7 series.

Nickname Baahubali; heavy-lift vehicle for about 4-tonne payloads to GTO.
Stages: two S200 boosters, L110 liquid core, C25 cryogenic top stage.
Record includes Chandrayaan-3 (2023); planned carrier for Gaganyaan.

1. Which rocket carried CMS-03 (GSAT-7R) into space in November 2025?

The satellite was launched aboard the LVM3-M5 from Sriharikota.

2. What is the planned mission life of ISRO's CMS-03 communication satellite?

The notes give a 15-year mission life with high-throughput transponders.

3. Which stage is the upper stage of the LVM3 launch vehicle?

LVM3 has two S200 boosters, an L110 liquid stage and a C25 cryogenic upper stage.

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