Hello Virendra,

To become ayurvedic doctor you have to do BAMS In Ayurvedic Medical Sciences. This is 3 years course which required to pass 10+2 subjects with Physics, Chemistry, Biology as main subjects. Admission to this course is based on entrance exam and than personal interview. 

This course fee ia generally 3 to 15 lakh. But this may differ from college to college.

All the best.