Hi there,
Hope you are doing well.
Well, for now, there is no such predictor for the EWS Category since it was only introduced this year.
But with your CRL Rank, here are the branches you can get in top NITs:-
1) NIT Trichy:- No Branches available
2) NIT Surathkal:- No Branches available
3) NIT Warangal:- Metallurgical and Materials Engineering, Biotech Engineering
4) NIT Rourkela:- Metallurgical and Materials Engineering, Mining Engineering, Biotech
5) NIT Calicut:- Production Engineering, Biotech
6) MNNIT Allahabad:- Biotech

Hope it would help
Check out our JEE Mains college predictor for better knowledge of your possible seats in various NITs, IIITs, GFTIs:-
https://engineering.careers360.com/jee-main-college-predictor

thank You.