# DRDO revives Kaveri engine for Tejas, tests rotating detonation engine

2026-08-09T14:34:35+00:00 | Governance | Indian Opinion Desk

Corroboration: 1 independent outlet

The Defence Research and Development Organisation (DRDO) is overhauling the Kaveri 2.0 jet engine to achieve 90 kN of thrust, aiming to replace imported GE F404 engines on the Tejas Mk1A by the 2030s mid-life upgrade cycle. The redesign focuses on advanced single-crystal turbine blades and a new high-pressure compressor. Separately, private firm D-Propulse has demonstrated a 5 kN rotating detonation engine (RDE) at a certified facility, claiming 15-25% better fuel efficiency for cruise missiles and drones. The Kaveri project was originally shelved in 2008 due to performance issues.

## Coverage

- businesstoday.in <https://www.businesstoday.in/india/story/tejas-mk1a-upgrade-drdo-plans-90kn-kaveri-2-0-core-overhaul-to-replace-ge-engines-548189-2026-08-09?utm_source=rssfeed>
- timesofindia.indiatimes.com <https://timesofindia.indiatimes.com/defence/news/beyond-fighter-jets-india-is-building-a-new-family-of-engines-for-missiles-and-drones/articleshow/133099445.cms>

Tags: defence aviation, DRDO, GTRE, indigenous engine, Kaveri 2.0, Tejas Mk1A
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