India’s AI-Powered Autonomous Drone Defense System
Indrajaal is an advanced autonomous drone defense system developed by Hyderabad-based Grene Robotics. Designed to protect critical infrastructure and military assets, Indrajaal employs artificial intelligence (AI) and a modular architecture to detect, track, and neutralize aerial threats over expansive areas.
Origins and Development
Grene Robotics, established in 2019, introduced Indrajaal as part of its suite of defense technologies. The system was officially launched in 2023, marking a significant milestone in India’s efforts to develop indigenous counter-unmanned aircraft systems (C-UAS). Indrajaal represents a culmination of over 15 years of research and development in AI, robotics, and defense systems.
System Architecture and Capabilities
Coverage and Scalability
Indrajaal is capable of securing airspace over areas up to 4,000 square kilometers per unit. Its modular design allows for scalability, enabling multiple units to be networked together to protect larger regions.
Integrated Technologies

The system integrates 12 proprietary technologies, including:
- greneOS: An autonomous resource planning engine.
- DefOS: A unified command and control platform.
- HiveMind: An AI-based mission planning and execution system.
- Zombee and SkyCop Drones: Level 5 autonomous drones for threat neutralization and surveillance.
- SpiderMesh: A high-speed wireless mesh network.
- Repulsor: A system for jamming and controlling hostile drones.
- greneEYE: A machine vision system for threat identification.
- HyperSensing: A suite of sensors for comprehensive detection.
- WeaponFusion: Integration of existing weapons for autonomous operation.
- GlobalGrid: A real-time command and control interface.

Autonomous Operations
Indrajaal operates autonomously, utilizing AI to analyze threats and determine appropriate responses. The system can detect, classify, and neutralize drones of various sizes and capabilities, including swarms and autonomous drones.

Deployment and Applications
Military Installations
Indrajaal has been deployed at strategic naval ports in Gujarat and Karnataka, providing real-time, autonomous airspace security. The system has demonstrated its effectiveness in live operational deployments, including during cross-border escalations.
Critical Infrastructure
The system is designed to protect critical infrastructure such as nuclear power plants, power grids, refineries, ports, and airports from drone threats. Indrajaal Infra, a specialized variant, offers layered defense using AI-driven detection, jammers, spoofers, interceptors, and kinetic takedowns.
Urban and Industrial Areas
Indrajaal’s modular architecture allows it to be adapted for urban environments and industrial zones, ensuring comprehensive protection against aerial threats in diverse settings.
Strategic Significance
Indrajaal represents a significant advancement in India’s defense capabilities, providing an indigenous solution to the growing threat of drone warfare. Its AI-powered, autonomous operations reduce the need for human intervention, enabling rapid and effective responses to aerial threats. The system’s scalability and adaptability make it a versatile tool for securing various assets across the country.
Recognition and Future Prospects
Indrajaal has been recognized as a Select 200 Company at Forbes DGEMS 2024, highlighting its innovation and global business potential. As drone technology continues to evolve, systems like Indrajaal will play a crucial role in ensuring national security and protecting critical infrastructure from emerging threats.




