If you wish to become a doctor then you need to have Physics, Chemistry & Biology as subjects in your 10+2.  On your 10+2 board year, you have to appear for the examination of NEET which is a national level entrance for medical courses. Through this examination you can take admission to the courses such as-

• MBBS
• BDS
• BUMS
• BAMS
• BHMS
• BSMS

For more information regarding NEET consider the link provided below:

https://medicine.careers360.com/exams/neet

I hope this helps. Wish you a great eve!