Use this formula to predict to your rank in genral category:Probable Rank={100-percentile score}×874469/100.This will gives you probable rank in general category.Category rank can't be predicted through percentile score as it gives only percentile score in session.For seat allocation through jee mains score you must have to score at least 75% in CBSE boards.To know about seat elligibility through score and rank you have to wait.

Wait till NTA decalres raw score and cutt off score for each category.NTA will declares rank after 2nd phase of jee mains examination.

You can ask if you have any other queries.

GOOD LUCK!