Hello Lakhan!

First you all you should know that in IIT there is no degree related to B.sc .In IIT Bachelor degree is B.TECH AND B.S (4 Years). According  to your marks you will clear the cutoff only .If your category rank is under 10000 then you will get IIT.For getting more idea about rank and college you get please see our career 360 jee advanced 2019 rank predictor.

https://www.google.com/amp/s/engineering.careers360.com/articles/jee-advanced-rank-predictor/amp

Hope it answer your concerns.