LLB

Hi,
Yes, you can pursue your career in law after B.Sc Mathematics. The eligibility criteria for pursuing LLB is that you have to get minimum of 50% marks in your graduation degree and you might have to clear some entrance test with it, ( it may vary with the university you want to take admission in)
After LLB, you can appear for Civil and Judicial services in your respective States. IAS Services, JAGS, services in Army, Corporate Lawyer, Legal Advisors in MNCs and Company, Legal Processing outsourcing, Practice in Criminal, Civil or Income Tax as an Advocate. It will be advisable if you do your degree from a well known university that provides prime placement opportunity, outstanding exposure and professional enhancement training. I am enlisting some universities for your help -
Lovely Professional University- Punjab, South Calcutta Law College - Kolkata
Unitedworld School of Law, Karnavati University-Gandhinagar
University College of Law, Bangalore University - Bangalore

Hi,
Yes, you can go for B.A. LL.B after your 12th with bio sciences. The eligibility for B.A. + LL.B. Hons. In most of the top universities is pass with 60% aggregate marks in 10+2 and you might have to clear some entrance test of the university (depending upon the university you want to take admission in).
It will be advisable if you do your degree from a well-known university and that provides prime placement opportunity, outstanding exposure and professional enhancement training. I can enlist some universities for your help-
Lovely Professional University, Auro University-Surat
Banasthali Vidhyapeeth-Jaipur
GLS Law College-Ahmedabad
Institute of Law, Kurukshetra University – Kurukshetra
These universities provide extensive learning programs and exposure to the students. They also provide worthy scholarships to its students depending upon the entrance test taken of the university or board result.