India’s DRDO achieved a major hypersonic missile breakthrough after successfully testing a long-duration actively cooled scramjet combustor for over 1,200 seconds in Hyderabad, strengthening the nation’s hypersonic cruise missile development programme and advancing indigenous aerospace and defence technology capabilities.
India has taken a major step forward in strengthening its advanced defence capabilities after the Defence Research and Development Organisation (DRDO) successfully conducted a long-duration ground test of its Actively Cooled Full Scale Scramjet Combustor, a critical component required for hypersonic missile systems.
The extensive test was carried out at the advanced Scramjet Connect Pipe Test (SCPT) Facility in Hyderabad on Saturday. According to the Defence Research and Development Laboratory (DRDL), the combustor achieved an operational run-time of more than 1,200 seconds, marking a substantial improvement over the earlier successful test of more than 700 seconds conducted in January this year.
Officials described the achievement as a major technological milestone that strengthens India’s ambitions to develop indigenous hypersonic cruise missiles capable of travelling at speeds exceeding Mach 5. Hypersonic systems are considered among the most advanced military technologies globally because of their speed, manoeuvrability, and ability to evade conventional air defence systems.
The Defence Ministry stated that the scramjet combustor was designed and developed by DRDL, while several industry partners contributed to its manufacturing and realisation. The successful long-duration test validated both the advanced actively cooled combustor design and the sophisticated capabilities of the SCPT facility.
Defence Minister Rajnath Singh congratulated DRDO scientists, industry collaborators, and academic institutions associated with the project. He described the successful ground test of the Full Scale Actively Cooled Long Duration Scramjet Engine as a strong foundation for India’s future Hypersonic Cruise Missile Development Programme.
The scramjet engine technology tested by DRDO uses advanced supersonic air-breathing propulsion, allowing sustained hypersonic flight by efficiently compressing incoming air at extremely high speeds. Officials said the system incorporates several cutting-edge indigenous technologies, including liquid hydrocarbon endothermic fuel, high-temperature thermal barrier coatings, and advanced manufacturing techniques developed within the country.
DRDO Chairman and Secretary of the Department of Defence Research and Development Dr Samir V Kamat also congratulated the scientific teams involved in the project and highlighted the importance of the successful test in positioning India among a select group of nations possessing advanced hypersonic research capabilities.
Defence experts believe that mastering hypersonic propulsion technology will significantly strengthen India’s strategic deterrence capabilities while also supporting future aerospace innovations. The successful validation of long-duration scramjet combustor performance demonstrates the country’s growing expertise in highly complex defence technologies that were previously dominated by a few global powers.
The achievement comes at a time when the Indian government is placing increasing emphasis on indigenous defence manufacturing and technological self-reliance. Last week, Rajnath Singh stated that defence research has become one of the government’s top priorities and revealed that DRDO has already transferred nearly 2,200 technologies to industries across the country.
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He also noted that 25 per cent of the defence research and development budget has been allocated to industry, start-ups, and academic institutions. According to official data, these entities have already utilised more than Rs 4,500 crore under various defence innovation and technology programmes.
The successful scramjet combustor test is expected to accelerate India’s hypersonic missile development roadmap and further strengthen the nation’s standing in advanced aerospace and strategic defence technologies.
