Concept:ISRO's RLV-LEX-02 experiment tested autonomous landing of a reusable launch vehicle.Explanation:Statement 1 is correct. The Pushpak vehicle was released from 4.5 km altitude at 4 km distance and performed cross-range corrections before landing.Statement 2 is incorrect. The winged body and flight from RLV-LEX-01 were not reused without modifications; structural improvements were made based on prior tests.Statement 3 is correct. The mission validated indigenous navigation, control, and landing gear systems for autonomous space-return landings.Answer:Only Statements 1 and 3 are correct. Option C.