Hi Shabnam. BAMS admission under Deemed University Ayurved Colleges will be conducted by Ayush Admission Central Counselling Comittee (AACCC) by Ministry of Ayush. If you get allotted a seat in mop up round in your desired college, you will have to pay the college fee of that particular college. I suggest you visit the official  respective sites of colleges providing BAMS seats to know about the fee structure. Here is a list of top private colleges offering BAMS-

1. Shree Guru Gobind Singh Tricentenary University, Gurgaon
2. Tilak Ayurved Mahavidyalaya, Pune
3. KG Mittal Ayurvedic College, Mumbai
4. DY Patil, Pune
5. National Institute of Ayurveda, Jaipur