There are merit based and need based scholarships offered at IIIT Hyderabad. According to the official website: https://www.iiit.ac.in/admissions/undergraduate/assistance/ , every student whose household income is less than 8 lakhs per annum is entitled for entire tution fee support. But there is nothing in specific for Candidates  belonging to OBC Category or CSE stream Candidates. This is applicable to Candidates of all Caategories and streams. Those Candidates whose annual household income is greater than 8 lakhs per annum also can apply and such Candidate's profile is considered based on their merit.