B.pharm

No, you need to do UG in medicine to be an orthopaedic doctor or surgeon. Concentrate on pharma field. It has an excellent scope.

Good colleges for B.Pharma are:
Bombay College of Pharmacy-Kalina, Santacruz
Institute of Chemical Technology-ICT, King's Circle
These are the only colleges worth doing pharmacy from. One other option would certainly be Kundanani College, Cuffe Parade.

Eligibility to seek admission in B.Pharma in most of the universities is as follows:
(a) Passed class 12th with physics, chemistry & mathematics/biology from a recognised board of education.
(b) Students have to secure a minimum of 50% marks in the qualifying examination.
(c) Students, those pass the three-year Diploma in Pharmacy (D.Pharm) are also eligible.
You are eligible to seek admission in B.Pharma based on your PCM subjects subject to meeting other eligibility criteria.

Hi Vamsi,
Science stream students, from both Mathematics and Biology groups, are eligible to pursue B Pharm. So, you can pursue B.Pharm.

Hi Aditi, you may do so. The sooner you prepare the better it is. It will also save you from additional gap years in future which you might require for your test preparation. However be aware about validity. GRE scores are valid for five years while TOEFL scores are valid for 2 years.