MaCRo (Martian Autonomous Core-Sampling Rover) is a project undertaken in collaboration with IIT Madras' ExTeM (Extraterrestrial manufacturing). We are building a completely autonomous and specialised Mars rover. It is designed to climb Olympus Mons, the tallest mountain in the solar system. The main objective of MaCRo is to drill up to a depth of 1 ft. and evaluate the core samples from the rock to know more about the possibility of life and water. We are currently in the designing and prototyping stage.