Explained| What Is The Role Of Vikram Lander, Pragyan Rover?

Chandrayaan-3, the Indian Space Research Organisation’s high profile lunar mission completed its orbits around the Earth and moved closer to the Moon on Tuesday. The mission is aimed at achieving a soft landing on the Moon's surface, a follow-up 2019 project Chandrayaan-2, which failed to achieve the desired soft landing. What is the role of Vikram Lander, Pragyan rover?