You can get all the IITs for Brnaches like Civil, Mechanical, Metallurgy, Electrical engineering. 

Chnaces for CSE are less at this rank. 

You can also get following collegesike IISER Thiruvanthapuram, IIST, IIpE Vishakhapatnam . 

Cutoff trends for all branches shared below in OBC category :

https://engineering.careers360.com/articles/jee-advanced-cutoff

Hi,

Yes , If you will go through the OBC criteria for sure you will get any course in IIT.