What is the name of the Stage-2 engine of the Vikram-1 space launch vehicle, successfully test-fired by Skyroot Aerospace at the Indian Space Research Organisation's (ISRO) Satish Dhawan Space Centre?

Correct option is D

The Kalam-250 is the Stage-2 engine of the Vikram-1 space launch vehicle, successfully test-fired by Skyroot Aerospace at ISRO’s Satish Dhawan Space Centre in Sriharikota, Andhra Pradesh.
This marks a significant milestone as Vikram-1 is India’s first private orbital rocket launch, following the suborbital launch of Vikram-S in November 2022.
Static facts about Skyroot Aerospace:
· Founded: June 2018
· Founders: Pawan Kumar Chandana and Naga Bharath Daka (both former ISRO scientists)
· Headquarters: Hyderabad, Telangana, India
· Primary Focus: Developing private space launch vehicles for small satellites
· Key Product Line: Vikram series of rockets (named after Dr. Vikram Sarabhai, the founder of the Indian space program)
· Vikram-I, Vikram-II, Vikram-III are their planned launch vehicles.