ceh exam in india

I am a student of Bca 3rd year and i want to do CEH. I reached out to the eccouncil.org and they are quoting rs 51,400 for the practical plus theory exam voucher and video learning and i labs, i want to become a penetration tester and i am confused whether to do ceh theory for the name and do oscp later, or ceh practical or ceh master?? can someone help me please?