Hello Aspirant.

As you've scored 67.85 percentile in your JEE mains 2020. Therefore, your general rank would vary between 279,300-280,000.

Now as you've mentioned that you're from OBC category.

OBC rank = 0.25*General Rank

Hence, Your OBC rank would vary around 69,800-69,900.

At this much rank, It's really very different for you to get admission into any NIT.

Hope you do good in future.

Best of luck !