For bachelor's degree in Sanskrit candidates must have sanskrit subject as their first or second language and the maximum age limit is 22 so it is not possible for you to do B.A in sanskrit regular course but if you are interested in learning Sanskrit language then you should definitely go for Indira Gandhi National Open University adopts a online centric programme . It is a great opportunity, for students who are looking to get admission into this course under distance learning. The university offers a Bachelor of Arts in Sanskrit program, unrestricted by age limitations.hope it helps