Hello Madhurjya.
As you have scored so good in NEET exam. And I'm glad to tell you that you can  surely expect the seat in government medical college in assam through state quote.
As, All India quota reserve 15% seats and
State quota reserve 85% seats

So you can surely expect the seat in government medical college in assam.
Here I'm also sharing you a link which will give you the information about the different medical colleges of assam with there cut off of all the categories.
Please go through it and if have any query you can ask freely.

https://medicine.careers360.com  ...
Web results
NEET 2019 Cutoff Assam  College Wise & Category Wise - Careers360

Hope this will help you!!
Good luck.

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