Hello,

here is list of top IITS cutoff so

1.  IIT Bombay: 98 percentile ( if you have diversity factor then you may get at 96+ and awesome acads also helps.)

1.  IIT Kharagpur: 95 percentile
2.  IIT Delhi: 96 percentile
3. IIT Madras: 94 percentile
4. IIT Kanpur: 90 percentile
5.  IIT Roorkee: 94 percentile

so it seems like you have fair chances for all the iits 

hope this helps you !

all the best !