Hello Aspirant.

As you've mentioned thay you've obtained 86 percentile in JEE mains 2020. And now as you've mentioned that you're from OBC category.

Your general rank would be around

Rank=(100-percentile)*8690.10

Therefore, your general rank would be 1,21,650-1,21,800.

According to it, your OBC rank is around 30,400-30,500.

At this much rank it is extremely difficult for you to get any NIT. Your chances of getting a lower NIT is also very different.

Hope for the best. Good Luck !