The Indians training in hope of mission to Mars
8 November 2013 Last updated at 09:24 GMT
This week India launched an unmanned probe to Mars but the prospect of sending people to the planet is another thing altogether.
However, one European firm is promising to establish a human settlement on Mars in the next decade.
Despite it being a one-way trip, people from all over the world have applied to get on board, including a large number from India.
Yogita Limaye met some of the applicants.