These are the requirements in India:
The requirements for admission to all medical colleges offering the Bachelor of Medicine, Bachelor of Surgery (MBBS) course are set by the Medical Council of India.
A candidate for admission must be at least 17 years of age on or before December 31 of the year of admission to the MBBS course, and must have passed one of several possible qualifying examinations for admission to the MBBS course, with an emphasis on education in physics, chemistry, and biology.