To be a doctor in India i.e., to study MBBS/BHMS/BAMS/BDS etc you have to qualify an examination namely NEET. This examination is a entrance for all the national and international students wiling to be study medical sciences in India.

For this examination you need to have PCB so you should opt PCB in your Higher School examination in order to be eligible for NEET.

The eligibility for the NRI/Foreign Students:

• The candidate should have studied PCB in the qualifying examination equivalent to 10+2 in the respective country.
• Candidate should have English as one of the subject in 10+2 equivalent level
• Try to keep atleast 60% in your 10+2 equivalent in order to be eligible for NEET

To know more about NEET visit the link below:

https://medicine.careers360.com/articles/neet-eligibility-criteria

I hope this answer helps. All the very best for your future endeavors!