Can I get any NIT or IIIT for 34901 OBC rank in JEE mains.

For IT Branch you need a much higher Rank between OBC 2.2-2.7k.

As far as IIITM Gwalior or IIIT Lucknow are concerned, you need to target OBC Rank anywhere around 5k, to secure a seat in CSE, IT or Other Courses at the Two Institutes.

Considering OBC Rank 3.5-5k as a Standard, you need to secure a CRL