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| ISRO launches heaviest satellite CMS-03 via LVM3-M5 rocket. |
In a monumental leap for India’s space program, the Indian Space Research Organisation (ISRO) successfully launched its heaviest communication satellite, CMS-03, aboard the powerful LVM3-M5 ‘Bahubali’ rocket from the Sriharikota spaceport in Andhra Pradesh on November 2, 2025, at 5:26 PM IST. This launch marks yet another milestone in India’s journey towards self-reliance in space technology, solidifying ISRO’s reputation as one of the world’s most capable and innovative space agencies.
The CMS-03 satellite, weighing 4,410 kg, was placed into a Geosynchronous Transfer Orbit (GTO) — a crucial step toward improving India’s communication infrastructure and connectivity across remote regions. The rocket, nicknamed Bahubali for its unmatched strength, demonstrated India’s growing technological mastery and commitment to building heavy-lift capabilities within its own borders.
Prime Minister Narendra Modi praised the scientists behind the mission, saying, “Congratulations ISRO on the successful launch of India’s heaviest communication satellite, CMS-03. Our space sector continues to redefine innovation and excellence, empowering the nation and inspiring future generations.”
Why This Launch Matters
The CMS-03 mission isn’t just another launch — it’s a statement of India’s space independence. For years, ISRO relied on Arianespace rockets from France to deploy heavier satellites beyond 4,000 kg. But with the LVM3 series, India now possesses the power to launch heavy payloads entirely from its own soil, drastically cutting costs while boosting national pride and capability.
According to ISRO officials, the LVM3-M5 rocket, previously known as GSLV Mk-III, can lift up to 8,000 kg to Low Earth Orbit (LEO) and 4,000 kg to GTO, making it India’s most advanced and reliable heavy-lift vehicle. This is the same launcher that carried Chandrayaan-3 to the Moon in 2023 — the mission that made India the first country to land near the lunar south pole.
What Makes CMS-03 Special
The CMS-03 satellite is designed to deliver enhanced communication and internet services across India and its surrounding oceanic region. Beyond telecommunication, it is expected to strengthen India’s defense communication systems and broadcasting networks. Although ISRO has not officially commented on its defense applications, experts suggest that CMS-03’s high-capacity transponders could play a role in secure military communication and surveillance.
The satellite’s ability to cover remote and maritime regions is expected to improve digital inclusion, bringing better internet and telecommunication access to underserved areas. This aligns with India’s long-term vision of building a connected, tech-driven society powered by indigenous infrastructure.
LVM3: India’s ‘Bahubali’ Rocket
Standing 43.5 meters tall, the Launch Vehicle Mark-3 (LVM3) is a three-stage rocket featuring two solid boosters (S200), a liquid propellant core (L110), and a cryogenic upper stage (C25) — all developed domestically. This combination provides ISRO with full autonomy in deploying large satellites, eliminating dependency on international launch providers.
ISRO’s earlier heavy-lift launches, such as GSAT-11 (5,854 kg) launched via Ariane-5 from French Guiana in 2018, had to rely on foreign facilities. The CMS-03 launch changes that narrative — it is the heaviest satellite launched from Indian soil, symbolizing India’s growing leadership in the global space ecosystem.
Expert Insights
According to ISRO’s internal statement, “The successful deployment of CMS-03 aboard LVM3-M5 reinforces India’s position as a self-reliant space power. The satellite will serve as a key enabler for advanced communication services, disaster management, and national security applications.”
A Step Toward a Brighter, Connected Future
The successful launch of CMS-03 reflects more than technical brilliance — it captures India’s emotional and visionary commitment to progress through science. As the nation celebrates another milestone, the mission echoes ISRO’s enduring message: innovation, resilience, and unity can launch a nation to new heights — both figuratively and literally.
What a moment! #LVM3M5 lifts off with #CMS03, marking another milestone in India’s space journey. Relive the liftoff highlights pic.twitter.com/HOPEvYYljK
— ISRO (@isro) November 2, 2025
Our space sector continues to make us proud!
— Narendra Modi (@narendramodi) November 2, 2025
Congratulations ISRO on the successful launch of India’s heaviest communication satellite, CMS-03.
Powered by our space scientists, it is commendable how our space sector has become synonymous with excellence and innovation. Their…
Source: ISRO Official Updates, Press Information Bureau (PIB), News18, and Government of India Space Department Reports.