You still have to appear for NEET and qualify and secure a seat in MBBS. There is no lateral entry from BPT to MBBS. Now there is no upper age limit for NEET. So the sane eligibility crteria for NEET applies. You have to secure a minimum aggregate of 50% in Physics, Chemistry and Biology in your 12thm it is 50% for General Category, 45% for PWD and 40% for OBC,SC,ST.

Yes you may definetly do your MBBS after doing Bachelors in Physiotherapy. Inorder to appear for medical entrance tests you will have to have the following eligibility criteria:

The candidate should have completed higher secondary with physics, chemistry and biology with an aggregate score of minimum 50 percent.