The Yantur engines from Paninian India and DRDO’s Manik turbofan represent two distinct approaches to indigenous propulsion: one driven by private-sector innovation and modular adaptability, the other by state-led reliability and mass deployment for cruise missiles.

Together, they highlight India’s evolving aerospace ecosystem where private and public efforts are converging to reduce dependence on foreign propulsion systems.

The Yantur program is India’s first privately developed compact turbofan engine initiative. It is designed to deliver 4.5 kN thrust, scalable up to 12.5 kN, making it suitable for cruise missiles and autonomous combat drones.

Proprietary technologies include advanced combustor design, compressor innovations, diffuser-nozzle aerodynamics, and digital twin health monitoring. Paninian India has filed five patents and is positioning Yantur as a family of propulsion systems for future autonomous platforms.

The Svayatt-L1 cruise missile is its first application, with potential expansion into loitering munitions and collaborative combat aerial vehicles.

The Manik engine, developed by DRDO’s Gas Turbine Research Establishment and manufactured by BrahMos Aerospace Thiruvananthapuram Limited, is a twin-spool expendable turbofan optimised for cruise missiles.

Delivering between 4.25 and 5 kN thrust, it has already replaced the Russian NPO Saturn 36MT engine in India’s Nirbhay and ITCM missiles. Its pyrotechnic mid-air ignition system is critical for air-launched profiles, while FADEC integration ensures fuel efficiency and thrust modulation even in expendable applications.

Current production is limited to 12 engines per year, creating bottlenecks for India’s projected requirement of nearly 1,000 Nirbhay-class missiles. DRDO is now exploring a 10 kN scaled variant for advanced UAVs like the CATS Warrior.

The contrast between Yantur and Manik lies in their strategic orientation. Yantur is a private-sector innovation aimed at scalability, modularity, and long-term adaptability across multiple platforms. Manik is a state-developed workhorse designed for immediate deployment in cruise missile systems, with proven reliability but constrained production capacity.

India’s propulsion ecosystem is expanding beyond turbofans. In August 2026, DRDO and Azad Engineering delivered the country’s first indigenous 350 kg thrust-class expendable turbojet engine. This engine is designed for cruise missiles, loitering munitions, target drones, and UAVs.

It marks India’s entry into an exclusive club of nations capable of producing compact military turbojets. Unlike rockets, turbojets continuously ingest air, requiring advanced metallurgy and combustion physics. This milestone reduces dependence on imports and strengthens private-sector participation.

In May 2026, DRDO achieved a breakthrough in hypersonic propulsion with a scramjet engine sustaining combustion for 1,200 seconds at Mach 6. This test, codenamed Mission Agnipankh, demonstrated stable supersonic combustion using boron-based slurry fuel.

It positions India ahead of China’s reported 600-second scramjet run and validates technologies for future hypersonic cruise missiles. Such systems could evade existing air defence networks, enhancing India’s deterrence.

Both engines are vital: Yantur for future autonomy and private-sector competitiveness, Manik for current missile readiness and strategic deterrence.

Agencies