Hello Aspirant,

Your Exact percentile/rank cannot be precisely predicted. As your Neet 2021 score is 486 marks ,so your expected percentile will be around 92.57-93.07 and your expected rank will be in range of  112623-144773(General category) . Although it is expected rank, actual rank may differ from it. With this marks you've chances of getting govt medical seat as you belong to obc category. According to previous year data ,the cutoff(OBC Category) for Govt medical Colleges in Assam are given below:

Assam Medical College, Dibrugarh        -       489

Dighu Medical College, Diphu                 -       425

Fakhruddin Ali Ahmed Medical College, Barpeta       -      435

Gauhati Medical College, Guwahati         -      524

Jorhat Medical College, Jorhat        -                453

Silchar Medical College, Silchar       -              452

Tezpur Medical College, Tezpur     -               437

You can also use the Neet 2021 College predictor tool given below to know your chances of best admission possibilities in Government & private colleges.

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer

All the best!

Hope this helps you