CA

Maths is not necessary for CA exam. As per eligibility criteria for CA CPT, the aspirants must have passed Class XII or equivalent in Commerce Stream. So maths is not needed here.

Yes, it is possible to clear CA in first attempt but the chances are only 2 to 3% that one can clear all the levels in one go. Many people clear in 2 to 5 attempts and sometimes it takes more try also, but for your first job it is really important that how many attempts you took to be a CA.

Yes, you can pursue CA course.

That will depend upon you, whether you want to do it or not. But to attend your CA final you have to do the articleship. But I have seen many who are completing their graduation along with CA articleship. Good luck.

You can ask this from ICAI Institute itself via e-mail or call.

After a study of the first semester of LLB, you can specialize in any one of the following fields as given below:
1. International Law.
2. Business Law.
3. European Law.
4. Criminal Law.
5. Legal Studies.
6. Patent & Intellectual Property Law.
7. Civil & Private Law.
8. Public Law. So from above International laws, Business laws, Patent and Intellectual property law, Civil and Private law and Public laws are related to you. Hence anyone can choose from them.

As per AIU letter no. EV/II/ (56-A)/83/20, March/1984, CA is recognised as equivalent to PG degree in commerce. So, CA is a PG degree.