Hello aspirant,
BAMS is a 5.5 years long course. The average fee charged ranges from 10,000 to 1 lakh depending upon institutes.
The link given below will provide you all the informations regarding BAMS:
https://medicine.careers360.com/articles/bams/amp

Good luck!

BAMS COURSE FEE STRUCTURE -
The fee structure for BAMS colleges vary when it comes to government and private colleges. The course fee structure also differs state wise. However, the fee for one year is approximately 50,000/- to 70,000/- in private colleges. In the BAMS curriculum one year is dedicated to extensive internship therefore the fee structure is calculated for 4 and a half year. The total cost can go approximately around 3,00,000/- to 4,00,000/- along with yearly charges that includes exam fee, books fee, hostel fee that may be charged separately. In addition with the yearly expenses, the total cost comes around 5 lakh to 6 lakh.