Hello Gautam
For CMA you must complete you 10+2 from a recognized board.Before exam candidate have to register ICAI for appearing for exam.
Also if you have completed your Bachelors or Masters degree from Commerce with 55% are exempted from appearing in CMA .
Candidates holding bachelor or master degree in a stream other than commerce must have obtained at least 60% marks in aggregate of all subjects are also exempted from appearing in the entry level test.

Hope It Helps
GOOD LUCK