Hello aspirant,
I hope that you are doing well. Since you didn't mention the name of your state, it is difficult to predict your state rank and the college you get in state quota.
But in AIQ you need to score around 400+ to get seat in AIQ for BAMS. It is difficult to get government seat in 189 marks but you can try for private seat. Some of the good private BAMS  colleges in the country are :-

Top BAMS colleges  in India

Do refer this for further info

https://medicine.careers360.com/colleges/list-of-bams-colleges-in-india

If you want to predict college then follow the given link:-

https://medicine.careers360.com/neet-college-predictor?utm_ source=qna&utm_medium=neet_cp

Hope this information will help you.
Good luck!