The Ministry of Defence (MoD) signed a ₹449 crore contract with Bengaluru-based Accord Software and Systems Private Limited (ASSPL) on June 10, 2026, for the procurement of 20 Enhanced Capability Global Navigation Satellite System (ECGNSS) Jammers for the Indian Navy. This acquisition, finalized under the Buy (Indian-IDDM) category, provides Indian naval ships with an organic electronic warfare capability to operate safely in contested maritime zones. The project represents a significant step toward Aatmanirbhar Bharat as it mandates a minimum of 75% indigenous content in the systems.
Strengthening Naval Electronic Warfare: The ECGNSS Jammer Contract
The contract was signed in New Delhi in the presence of Defence Secretary Rajesh Kumar Singh. This procurement is a critical part of the Indian Navy’s ongoing modernization program, focusing on enhancing its Electronic Warfare (EW) capabilities. The ₹449 crore agreement covers the delivery of 20 ECGNSS Jammers, which are intended to provide organic electronic protection for the Navy’s surface fleet.
The acquisition is particularly significant as it falls under the Buy (Indian-IDDM) category of the Defence Acquisition Procedure (DAP) 2020. This category is the highest priority procurement path, reserved for equipment that is indigenously designed, developed, and manufactured. By mandating 75% indigenous content, the Ministry of Defence is ensuring that the core technology and intellectual property reside within the country, reducing long-term dependence on foreign original equipment manufacturers (OEMs).
What are ECGNSS Jammers?
ECGNSS Jammers are sophisticated electronic warfare systems designed to disrupt the navigation and timing capabilities of adversary platforms. Modern naval warfare relies heavily on Global Navigation Satellite Systems (GNSS) for the guidance of missiles, Unmanned Aerial Vehicles (UAVs), and precision-guided munitions (PGMs). These jammers create a protective electronic shield by interfering with the ability of hostile receivers to process satellite data.
The system is designed to target all major global satellite constellations, including the American GPS, Russian GLONASS, European Galileo, and Chinese BeiDou. By effectively “blinding” the navigation systems of incoming threats, the ECGNSS Jammers ensure that Indian Navy ships remain safe from long-range precision strikes.
Jamming vs. Spoofing: Understanding the Technology
The ECGNSS Jammer provides both defensive and offensive electronic warfare options through two primary modes of operation:
- Noise Jamming: This is a denial-of-service technique where the jammer emits high-power signals that overwhelm the legitimate satellite signals. It prevents the adversary’s receiver from acquiring or tracking the navigation data, effectively rendering it useless.
- Spoofing (Deceptive Jamming): This is a more advanced technique where the jammer broadcasts false signals that mimic real satellite data. The hostile receiver is “tricked” into accepting these false signals, leading it to calculate an incorrect position, speed, or time. This can cause a missile to miss its target or a drone to fly off-course.
Strategic Significance and the IDDM Framework
The procurement of these jammers is a landmark event for India’s defense sector, particularly within the Buy (Indian-IDDM) framework. Standing for Indigenously Designed, Developed, and Manufactured, this category requires the vendor to own the Intellectual Property Rights (IPR) for the design. The 75% indigenous content mandate for this contract is significantly higher than the baseline 50%, reflecting a matured capability in domestic electronic warfare technology.
This strategic autonomy is vital for maritime security. In contested regions like the Indian Ocean, adversaries may use space-based surveillance and satellite-guided weapons to threaten naval assets. By deploying the ECGNSS Jammers, the Indian Navy can create “navigation-denied” bubbles around its task forces, neutralizing the precision-targeting advantages of hostile forces while maintaining its own operational freedom.
Impact on Maritime Security and Precision Threats
The modern maritime environment is increasingly defined by asymmetric threats, including low-cost drones and long-range anti-ship missiles. These threats almost exclusively rely on satellite navigation for terminal guidance. The ECGNSS Jammers provide a “soft-kill” capability, allowing the Navy to neutralize incoming threats without necessarily using expensive “hard-kill” interceptor missiles.
Furthermore, these systems support the broader adoption of NavIC (Navigation with Indian Constellation). As India continues to integrate its own regional satellite navigation system into defense platforms, having indigenously developed electronic protection ensures that NavIC signals remain secure and resilient against foreign interference or manipulation.
About Accord Software and Systems Private Limited
Based in Bengaluru, Accord Software and Systems Private Limited (ASSPL) is a pioneer in the field of satellite navigation and communication technology in India. Established with a focus on high-precision engineering, the company has a long history of collaborating with the Indian Armed Forces, ISRO, and DRDO.
ASSPL is widely recognized for developing the world’s first IRNSS (NavIC) receivers, a milestone that cemented its reputation in the global navigation industry. The company’s expertise spans Global Navigation Satellite Systems (GNSS), digital signal processing, and secure communication systems. By winning the ₹449 crore contract for ECGNSS Jammers, the company has further established itself as a critical partner in India’s Make in India initiative, providing the indigenous technical foundation for the nation’s defense electronics.
Key Takeaways
- The Ministry of Defence has signed a ₹449 crore contract with Accord Software and Systems Private Limited (ASSPL) for the supply of 20 ECGNSS Jammers.
- The contract is under the Buy (Indian-IDDM) category, which mandates a minimum of 75% indigenous content and domestic ownership of design Intellectual Property.
- ECGNSS Jammers provide the Indian Navy with advanced electronic warfare capabilities, including noise jamming and deceptive spoofing.
- The systems are designed to disrupt multiple global satellite constellations, such as GPS, GLONASS, Galileo, and BeiDou, protecting naval ships from precision-guided munitions.
- Bengaluru-based ASSPL is a pioneer in navigation technology and was the first company in the world to develop IRNSS (NavIC) receivers.
- The agreement was signed in New Delhi in the presence of Defence Secretary Rajesh Kumar Singh.
