Question: what is the difference between chandrayaan-1 and chandrayaan-2 missions?
Answer: Unlike, Chandrayaan-1, this second lunar mission will attempt to soft land Vikram on the lunar surface and deploy a six-wheeled Rover (Pragyaan), which will carry out scientific experiments on the moon. The lift-off mass of Chandrayaan-2 is said to be 3,850 kg. It is being launched by GSLV MK-III M1 launch vehicle.