Sriharikota: In a major milestone for India’s maritime defense and space technology, the Indian Space Research Organisation (ISRO) is set to launch the Indian Navy’s GSAT-7R (CMS-03) communication satellite today from the Satish Dhawan Space Centre, Sriharikota. The satellite, fully indigenously designed and developed, marks a significant advancement in India’s military space communication network.
India’s Heaviest and Most Advanced Naval Communication Satellite
The GSAT-7R is the heaviest communication satellite ever built in India, weighing approximately 4,400 kilograms. It incorporates multiple indigenous, state-of-the-art components specifically developed to meet the Indian Navy’s operational requirements under the Aatmanirbhar Bharat (self-reliant India) initiative.
ISRO officials described GSAT-7R as the most advanced naval communication satellite yet, integrating cutting-edge technologies that will ensure enhanced security, reliability, and operational flexibility for maritime communication networks.
Enhancing Maritime Domain Awareness
GSAT-7R is designed to provide robust telecommunication coverage across the Indian Ocean Region (IOR). Equipped with advanced transponders supporting voice, data, and video links, it will offer multi-band communication capabilities that can seamlessly connect Indian Navy ships, aircraft, submarines, and ground-based Maritime Operations Centres (MOCs).
This satellite will form a critical link in India’s maritime domain awareness architecture, enabling real-time situational monitoring and secure communications across vast oceanic stretches.
A Strategic Leap for Naval Communication
The new satellite replaces and enhances the capabilities of GSAT-7 (Rukmini), which was launched in 2013. GSAT-7R offers greater bandwidth, higher data transmission capacity, and improved encryption, allowing the Navy to operate with increased efficiency and coordination during peacetime surveillance as well as conflict scenarios.
It will also contribute to network-centric operations, integrating surface and aerial assets with command centers to ensure seamless communication even under hostile conditions.
Aatmanirbhar Bharat in Space and Defence
Developed under the spirit of Aatmanirbharta, GSAT-7R underscores India’s growing self-reliance in the field of defense technology. The satellite’s indigenous components reflect India’s progress in space-based defense communication systems, reducing dependence on foreign technology.
In an era of complex geopolitical challenges and expanding maritime responsibilities, this launch highlights the Indian Navy’s commitment to leveraging indigenous innovation for national security.
Technological Prowess
The launch of GSAT-7R marks a strategic convergence of ISRO’s technological prowess and the Indian Navy’s operational preparedness. With this milestone, India takes another decisive step toward building a self-reliant, secure, and advanced communication infrastructure to safeguard its maritime frontiers.
















