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ISRO successfully launches CMS-03, India's heaviest communication satellite, on LVM-3 M5.

Science and Technology | Dated: 04 Nov 2025

The Indian Space Research Organisation (ISRO) successfully launched CMS-03 (also known as GSAT-7R), India's heaviest communication satellite (4,400 kg), using the powerful LVM-3 M5 rocket from Sriharikota. The satellite was placed into a Geostationary Transfer Orbit (GTO) and is designed to expand secure, multi-band communications for the Navy's growing blue-water capabilities and enhance national communication infrastructure.

🎯 Key Highlights:

  • CMS-03 weighed 4,400 kg, the heaviest communication satellite launched to GTO from Indian soil.
  • The launch vehicle used for the mission was the LVM-3 M5 (Launch Vehicle Mark-III).
  • The satellite will serve as a key link for the Indian Navy, succeeding GSAT-7.

💡 Other Important Facts:

  • The satellite will expand secure, multi-band communications.
  • It was deployed into a Geostationary Transfer Orbit (GTO).
  • This was the fifth operational flight of the LVM3 vehicle.

📚 Test Your Knowledge:

What is the CMS-03 satellite also known as?

Correct Answer: GSAT-7R

🚀 Quick Recap:

About ISRO

  • (i) Established – 15 August 1969 (ii) Headquarters – Bengaluru, India
  • (iii) Launch Site – Sriharikota (iv) LVM3 Nickname – Bahubali