IIIT

First of all, you can't get IIT through JEE Mains percentile. You need to attend JEE Advanced exam. You are qualification for advance depends on your category. JEE score cards released yesterday only. There you can SEE your rank and cut-off for all categories. Cut-off for Common rank list is 87, for OBC is 66, for SC is 46, for ST is 34. You can check 2020 opening and closing ranks for various IIITs, GFTIs, and NITs.

Please write about the Area and District you wants to pursue the 12th in commerce for better response. However few of schools are given below.
1. Delhi public school
2. City Montessori School, Lucknow
3. Lucknow Public School
4. Carmel Convent School Delhi
5. St. Xavier's Senior Secondary School, Chandigarh.

Keeping the previous years of trends in consideration, NITs and IIITs are difficult to get at this percentile. The following can be the other options.
1. DITM Sonepat
2. GTBIT Delhi
3. DSEU, Okhla.