Based on your OBC-NCL rank of 20,242 and CRL rank of 66,500 in JEE Main 2024, here is a branch-wise estimate of the NITs and IIITs you may get admission to in 2025 :

1. Understanding Your Rank and Cutoffs

• OBC-NCL category cutoff percentile for IIITs is around 83–92 for popular branches like CSE, ECE, IT.

• Your rank (20,242 OBC-NCL) corresponds roughly to a percentile near 83–85 , which is competitive for mid-tier branches and some top NITs/IIITs but unlikely for top branches like CSE in premier institutes.

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• Your CRL rank (66,500) places you in a position to get non-CSE branches in many NITs and IIITs.

2. Branch-Wise Chances in NITs

3. Branch-Wise Chances in IIITs

4. Top NITs and IIITs You May Get

5. Summary & Suggestions

• CSE branch at top NITs and IIITs is unlikely at your rank.

• You have good chances for core branches like Mechanical, Civil, Electrical, Chemical in many NITs and IIITs.

• Choose branches like Civil, Mechanical, Electrical, Chemical for better chances.

• Use JoSAA and CSAB counseling tools to check real-time seat allotments.

• Consider GFTIs and state engineering colleges for more options.

6. Useful Links

• JoSAA Seat Allotment & Cutoffs (https://josaa.nic.in/)

• NIT Cutoff Trends - Careers360

• IIIT Cutoff Details - https://engineering.careers360.com/articles/jee-main-cutoff-for-top-iiits

In brief:

• Your OBC-NCL rank ~20,000 can get you ECE, Mechanical, Electrical, Civil, Chemical branches in many NITs and IIITs.

• CSE and IT branches at top NITs/IIITs are tough to get at this rank.

• Focus on mid-tier branches and institutes for admission.

If you want, I can provide a detailed college-wise and branch-wise list based on your rank.Take help from the above links and websites for futher details.