hi,

see direct admission is taken in some of the iits, however it solely depends on iits authority for the process of admission and it liable to change in every year.

at this score you have less chances for top  iits , you have chances in iit patna,

iit guwahati in Water Resources Engineering and Management, Geotechnical Engineering streams.

You may use Careers360 college predictor tool to know your predictable colleges

https://engineering.careers360.com/gate-college-predictor