dear student, u can enroll urself through submit ur application form in physical format (if their is no option for hindi in online form) from ur nearest Chepter office and ur 2nd question's answer is NO , sorry bro. institute doesnt provide study materials in hindi version , but u can appear the exam. opting hindi as medium of answer, for ur kind information i want to say u that the question papers of 1st module is available in hindi but 2nd module is in ENGMED only
U can consult ANU SERIES and MAHAVER PUB. books fo ur prepration
GOOD LUCK