Rank depends upon many factors like number of applicants fill the form, number of applicants finally appeared in the exam, number of questions asked in the exam, difficulty level of the exam, performance of the candidate, previous year's cut offs trends so it is a bit diificult to tell right now that wether you'll get cse in hydrabad branch or not because the cut offs for hydrabad branch are usually high and cse is known to have highest cut offs as compared to other branches of engineering though you scored very well in your exam you may predict your rank with the help of careers360 rank predictor and can go through the last year cut off for different branches and get an estimation about what you'll get

https://engineering.careers360.com/gitam-gat-rank-predictor

Good Luck!!.