Answer : 1. "Skyroot Aerospace"
Explanation :

Skyroot Aerospace recently successfully test fired Kalam-250 at ISRO's Satish Dhawan Space Centre. This second stage of the Vikram-1 space launch vehicle features a carbon composite rocket motor, EPDM thermal protection and precise thrust vector control. Developed by Skyroot Aerospace, it will take the launch vehicle from the atmosphere to outer space, playing a key role in its ascent.