Dear Divyani, BPT is a Para Medical Degree. But MS in Orthopaedic surgery is a Post Graduate Medical Course studied after MBBS. If you want to pursue Post Graduation in any course, you shpuld have a relevant Bachelor's degree. If you want to become an Orthopaedic Surgeon, the only way is appear for NEET, qualify, study  MBBS and then appear for NEET PG and then study MS in Ortho. After 3 years NEET PG will be scrapped. This is the authentic educational route you need to follow.

Hi Divyani,
I am sorry to say that you cannot go for orthopedic Surgery after BPT as it is a para medical degree.
The only qualification needed to become a surgeon is MCI approved post graduate Master of Surgery (MS) degree or a MCI approved diploma in D.Ortho after the  M.B.B.S. course.
Hope it helps..!!
Good Luck..!!