The Ministry of Defence signed two contracts worth ₹4,106 crore on 15 October 2026 in New Delhi for a dedicated GSAT-7C communication satellite for the Indian Air Force and Varunastra heavyweight torpedoes for the Indian Navy. The satellite contract, valued at ₹2,563 crore, went to New Space India Limited, while the ₹1,543 crore torpedo contract went to Bharat Dynamics Limited. Both systems are indigenously designed and will strengthen secure air communications and underwater combat power.
What Are the Two New Defence Contracts?
The Ministry of Defence signed both contracts in New Delhi in the presence of Additional Secretary and Director General (Acquisition) A Anbarasu, along with senior officers from the Indian Air Force, the Indian Navy and industry representatives. The total value is ₹4,106 crore. The deals fall under the defence procurement framework that gives preference to Indian designed and built systems.
| Contract | Value | Supplier | User Service |
|---|---|---|---|
| Dedicated communication satellite capability GSAT-7C | ₹2,563 crore | New Space India Limited (NSIL), Bengaluru | Indian Air Force |
| Varunastra Heavy Weight Torpedoes | ₹1,543 crore | Bharat Dynamics Limited (BDL), Hyderabad | Indian Navy |
The Ministry said both contracts will advance domestic defence manufacturing and promote self reliance in critical technologies. The statement linked the decision to the Aatmanirbhar Bharat and Make in India vision. In practical terms, one contract gives the Air Force its own eyes and ears in space. The other gives the Navy more striking power under water.
What Is GSAT-7C and How Will It Help the Air Force?
The GSAT-7C is an indigenously designed military communication satellite for the Indian Air Force. Built by ISRO and procured through NSIL, it will provide secure, resilient voice, data and video links for aircraft, radars and ground stations and support software defined radios for beyond line of sight operations.
The Defence Acquisition Council gave Acceptance of Necessity for the GSAT-7C project on 23 November 2021 at an estimated cost of ₹2,236 crore. The project covers the satellite plus ground hubs for real time connectivity of Software Defined Radios (SDRs). SDRs are radio sets in which signal processing is done through software, so the same hardware can switch frequencies and codes quickly. The Ministry said the complete design, development and launch will take place in India. The satellite is expected to be based on ISRO’s I-2K bus, the standard 2,000 kg class satellite platform.
For the Air Force, the gain is direct. GSAT-7C will carry end to end encrypted links to connect ground stations, radar hubs, airbases and airborne platforms. It will allow aircraft to aircraft and aircraft to ground communication even beyond the normal radio horizon. That supports drone operations, air surveillance and network centric warfare, where all fighting platforms share live data at the same time.
What Is a GSAT Satellite?
GSAT stands for Geosynchronous Satellite. The GSAT series is a family of Indian communication satellites built by the Indian Space Research Organisation (ISRO), headquartered in Bengaluru and formed in 1969. These satellites are placed in geosynchronous orbit, about 35,786 km above the equator, where they move at the same speed as the Earth’s rotation and appear fixed over one region. A communication satellite in this orbit works like a tall tower in the sky. It receives signals from the ground, amplifies them and sends them back to distant receivers.
How Many Military Satellites Does India Have?
India operates a small but growing fleet of dedicated military communication satellites. The GSAT-7 series forms the core of this network. Each service is now getting its own satellite to avoid sharing limited transponder capacity.
| Satellite | User | Launch | Status and Role |
|---|---|---|---|
| GSAT-7 Rukmini, 2,650 kg | Indian Navy | 30 August 2013 on Ariane 5 from Kourou | First dedicated military satellite. Provides UHF, S, C and Ku band links over the Indian Ocean Region |
| GSAT-7A Angry Bird, 2,250 kg | Indian Air Force | 19 December 2018 on GSLV-F11 from Sriharikota | Links ground radars, airbases and airborne early warning aircraft in Ku band |
| GSAT-7B, about 5 tonnes | Indian Army | Contract signed March 2023 with NSIL for about ₹3,000 crore | Planned dedicated satellite for Army border and field communications |
| GSAT-7R CMS-03, 4,410 kg | Indian Navy | 2 November 2025 on LVM3-M5 from Sriharikota | Successor to GSAT-7 Rukmini. Heaviest communication satellite launched from India. Strengthens Indian Ocean coverage |
| GSAT-7C | Indian Air Force | Under development, contract signed October 2026 | Next Air Force satellite with SDR ground hubs. Will supplement and eventually replace GSAT-7A capacity |
The GSAT-7C deal therefore fills a clear gap. GSAT-7A is now eight years old with an eight year design life. A fresh satellite ensures the Air Force does not lose secure bandwidth as older capacity ages.
What Is Varunastra?
Varunastra is an indigenous ship launched heavyweight anti submarine torpedo developed by the Naval Science and Technological Laboratory of DRDO. Manufactured by Bharat Dynamics Limited, it targets quiet submarines in deep and shallow waters with wire guidance and acoustic homing at ranges up to 40 km.
The name comes from the legendary weapon of Varuna, the god of the oceans. In technical terms, a heavyweight torpedo is a large underwater missile, about 533 mm in diameter, fired from ships or submarines to destroy enemy submarines and ships. Varunastra is electrically propelled with silver oxide zinc batteries and contra rotating propellers. It can be fired from all anti submarine ships capable of firing heavyweight torpedoes.
| Feature | Detail |
|---|---|
| Developer | Naval Science and Technological Laboratory (NSTL), Visakhapatnam, a laboratory of the Defence Research and Development Organisation (DRDO) |
| Manufacturer | Bharat Dynamics Limited (BDL), Visakhapatnam unit |
| Length and diameter | 7.78 metres, 533.4 mm |
| Weight | 1,605 kg exercise version, 1,850 kg combat version |
| Warhead | 250 kg high explosive |
| Speed | Dual speed modes of 27 and 40 knots, with reports of up to 50 knots in newer configurations |
| Range | 40 km to 50 km |
| Operating depth | 8 to 600 metres |
| Guidance | Wire guidance plus active passive acoustic homing with autonomous guidance algorithms |
| Indigenous content | More than 95 percent |
Varunastra was formally inducted into the Indian Navy on 29 June 2016. The Navy conducted a live test with a live warhead against an undersea target on 6 June 2023. The torpedo will replace older imported heavyweight torpedoes on naval ships. Newer derivatives are also under development. These include the submarine launched Takshak electronic heavyweight torpedo, the thermal powered Shakti torpedo, and a wire guided heavyweight torpedo whose first production grade unit was delivered by BDL to NSTL in April 2026.
Who Will Build Them: New Space India Limited and Bharat Dynamics Limited
The Ministry of Defence placed the two orders with two central public sector enterprises that act as production arms for ISRO and DRDO designs.
New Space India Limited (NSIL) is the commercial arm of ISRO. NSIL was incorporated on 6 March 2019 under the Companies Act, 2013 as a wholly owned government company under the Department of Space. It is headquartered in Bengaluru, with its registered office at the ISRO headquarters campus on New BEL Road. NSIL enables Indian industry to take up high technology space work and commercially exploits products from the Indian space programme, including launch services, satellite building and transponder capacity. The GSAT-7B Army satellite contract of March 2023 also went through NSIL, so the GSAT-7C order follows an established procurement route.
Bharat Dynamics Limited (BDL) is a defence public sector undertaking under the Ministry of Defence. BDL was incorporated on 16 July 1970 and is headquartered in Hyderabad. It began as the manufacturing base for guided missiles and is now the prime production agency for missiles from the Integrated Guided Missile Development Programme. BDL has four manufacturing units, with three in Telangana at Hyderabad, Bhanur and Ibrahimpatnam, and one in Andhra Pradesh at Visakhapatnam. The Visakhapatnam unit builds underwater weapons, including Varunastra and the lightweight TAL torpedo. BDL also supplies the Akash Weapon System, the MRSAM for the Navy and the Astra beyond visual range missile.
Why These Deals Matter for Self Reliance
The Ministry described both contracts as steps that build domestic manufacturing and cut dependence on imports for critical technologies. The logic is simple. A foreign satellite link or a foreign torpedo can be delayed, denied or monitored during a crisis. An Indian satellite and an Indian torpedo keep the control chain inside the country.
For the Air Force, GSAT-7C strengthens core abilities. It keeps voice, data and video traffic encrypted from end to end. It keeps links working in bad weather and in contested electronic environments. It lets dispersed radars, airbases and aircraft act as one network. That network effect is what allows faster detection, faster decisions and coordinated response across a wide front.
For the Navy, Varunastra adds long range anti submarine reach from surface ships. Modern submarines are quiet and hard to find. A torpedo with wide look angle acoustic homing, advanced manoeuvres and re attack ability raises the cost for any hostile submarine operating near Indian waters and sea lanes. With the Indian Ocean Region seeing more submarine movement, this capability protects trade routes as well as naval task groups.
The deals also keep work and learning inside Indian factories and small suppliers. Satellite buses, ground hubs, batteries, homing systems and integration create repeat orders for component makers and shipyards. That cycle supports jobs and preserves design knowledge for the next generation of satellites and underwater weapons.
Key Takeaways
- The Ministry of Defence signed contracts worth ₹4,106 crore on 15 October 2026 for GSAT-7C and Varunastra systems.
- The ₹2,563 crore GSAT-7C contract was placed with New Space India Limited for the Indian Air Force.
- The ₹1,543 crore Varunastra contract was placed with Bharat Dynamics Limited for the Indian Navy.
- GSAT stands for Geosynchronous Satellite, and GSAT-7C will support encrypted links and Software Defined Radios.
- Varunastra was developed by NSTL Visakhapatnam and inducted in 2016, with a 250 kg warhead and 40 km range.
- NSIL was incorporated on 6 March 2019 and BDL was incorporated on 16 July 1970 in Hyderabad.
