Hello,
You are saying your rank in JEE mains 56000 in OBC category and the general rank it is 182746.
Now a days the competition is too high. According to the previous years cut off trends your nephew don't have chances to get admission into any NITs, IIITs or GFTIs.
But you can try for State Government and Private Colleges for your nephew.
You can also predict your college by mentioned link:
JEE Main College Predictor – Know your College Admission Chances Based ...
Hope this helps
Thank you
College Comparison based on Courses, Placement, Rank, Fee
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile