At about 94.6 percentile you will get a rank of about 55k in jee mains so in general category it is quite difficult(50k cutoff) to get a seat in nit kkr but you told that you have obc advantage as well so you might get seat in lesser preferred branches like production, civil also you can get better branches if you apply for csab counselling as well also you can predict your college using this link https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer