It's a similar procedure as of MBBS. You have to submit the choice filling form of colleges as per your required list in the Ayurvedic BAMS category. Then as per your merit score and your state, you're allotted a college. The minimum marks required to get eligible to apply is around 135 marks as per 2019 and to get into a BAMS government college, you'll need around 380-400 marks and above. Also depends on the state you reside in. So try your level best.

best wishes. Thank you.