Hello Kowshika,

Starting with educational qualification, Candidate must have passed 10+2 Science stream with Physics, Chemistry and Biology subjects, from a recognized board. 

Minimum aggregate marks required in PCB subjects- 50%. 

Minimum marks scored in Biology subject- 50%. 

*Note: Minimum marks criteria may vary (usually around 50% marks).

Candidate must also have taken part in medical entrance examination organized by State or Central Government. Some of the well-known entrance tests are- NEET-UG, AIIMS Entrance,  JIPMER.

You can check the NEET eligibility here.

After completing MBBS, graduates may go for the below-mentioned PG courses-

MS (Master of Surgery)- 3 years long

MD (Doctor of Medicine)- 3 years long

PG Diploma- 2 years long

DNB (Diploma of National Board)

This is how you can get above the cut-throat competition in today's time.

Hope this helps.

Good luck!