I hope you are doing well.
Yes. Direct admission to the BAMS course is provided by few colleges through management or NRI quota seats . By the announcement of CCIM i.e central council of Indian Medicine, any private BAMS college can avail 15% of total allotted seats for direct admission purposes. So, there should be no hesitation regarding BAMS admission through management quota.
You can get admission in SDM Ayurveda College, Hassan for BAMS no matter from which state you are. If you have required marks in NEET UG exam as per the cutoff for the college then you can get seat in this college from All India AYUSH counselling. As admission for BAMS, BHMS, Unani, BSMS, BNYS courses you have to participate in AYUSH counselling.
Hope you get some clarification.
If you want to get admission under all india quota then you will have to attend all india ayush counseling for BAMS/BHMS/B.U.M.S/BSMS conducted by ministry of ayush.
The official website for all india ayush counseling is aaccc.gov.in you can participate in counseling by registering yourself once date are out.
By all india ayush counseling you can take admission in 15% seats of government ayurvedic (BAMS) college all over India and also college which comes under centeral university like bhu, Varanasi NIA, jaipur etc.
You can use NEET UG college predictor tool for knowing chances of getting MBBS BDS ayush colleges at your expected marks
Hope this information helps you
All the best