Can I get seat in any niit fr 55000 rank in obc category
You will not get any NIT with this rank. As per your rank and previous year cutoff, the colleges you get are:-
NIFT Ranchi
IIIT Pune
HBTU Kanpur
To know more about your chances of getting other colleges check out the college predictor link below:
https://engineering.careers360.com/jee-main-college-predictor