India's Defence Research and Development Organisation (DRDO) conducts long duration scramjet combustor test in Hyderabad

Key facts

• The Defence Research and Development Organisation (DRDO) successfully conducted a long duration test of its scramjet combustor in Hyderabad.
• The test was conducted by the Defence Research and Development Laboratory (DRDL) and achieved a run time of more than 1,200 seconds.
• This performance is a major improvement over the earlier 700 second test conducted in January 2026.
• Scramjet engines enable missiles to travel at hypersonic speeds above Mach 5 by using oxygen from the atmosphere during flight.
• The combustor utilizes indigenous technologies including Indian developed liquid hydrocarbon fuel, advanced thermal barrier coatings, and modern manufacturing techniques.