Colleges in Tamil Nadu

The expected TANCET cutoff for MBA course is about 37.5 for open category and your rank is between 61-100. Hence your chances are very high for KVIMIS. The course fee is about Rs 100000 per year. For hostel fee please ask the college directly.

Ofcourse yes, you can teach as you are a Masters and even having a doctorate degree.

You can check with the institution you are looking for and then find out whether they opt for the same or not?

As per the eligibility criteria, you are not eligible. The eligibility criteria of LLB (Hons) 3 years course is given below.
Eligibility : A candidate should have passed any Degree (UG) and should have secured not less than 60% of
the total marks in the aggregate. The candidates belonging to Scheduled