Hey madhav,
Mostly for the rank your cousin has secured she has no chances to get Admission in the Osmania University. As only the few seats are aloted for the students and even at the time of seat allotments the preference will be given to the GATE students. So, Your cousin has no chances to get admission in the Osmania University. She can try some other colleges for PG Admission at M.Tech colleges. You can check the PG colleges list given below,
https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-hyderabad-accepting-ts-pgecet
You can stay updated about TS PGECET counselling details and dates you can check here:
https://engineering.careers360.com/articles/ts-pgecet-counselling/amp
College Comparison based on Courses, Placement, Rank, Fee
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile