Q1. With reference to DRDO's Hypersonic Cruise Missile Development Programme as reported in 2026, consider the following identifications relating to the long-duration scramjet combustor tests. Which of the above is/are correctly identified?
- Implementing laboratory — Defence Research & Development Laboratory (DRDL), Hyderabad
- Ground-test facility — Scramjet Connect Pipe Test (SCPT) Facility
- Fuel — indigenously developed liquid hydrocarbon endothermic fuel
- Rocket booster used to ignite the combustor in the 2026 ground test — Agni-I motor
- A. 1 and 2 only
- B. 3 and 4 only
- C. 1, 2 and 3 only
- D. 1, 2, 3 and 4