Hello Nikhil

For CA, you first need to give the foundation exam which is called common proficiency test (CPT) conducted by ICAI. You can join coaching centres for preparations or can do it yourself at home.

First you have register yourself with ICAI then yoi can apply for the may attempt. The registrations will end and applications will be started in the first week of April tentatively. 

You can visit their website or can revert us for further assistance.

Hope this might help you.

Thanks for contacting us.