Hello Likhitha.
You have not clearly mentioned that you want to know about UG course or PG course, i.e. BSC or MSC at OSCW.

For BSC, The minimum eligibility criteria to join this course is by completion of 12th class in Science and should have to crack the respective Entrance Exam.

For the MSc Biotechnology programme at Osmania University College for women in 2022, the minimum cut off scores are 25%, or 25/100. In 90 minutes, you will be asked 100 questions from three sections: A-Chemistry (34 questions), B-Physics (33 questions), and C-Math (33 questions) (33).
There will also be no negative marking for incorrect responses. To be admitted to your selected college, you must have a score of at least 60.

For MSC Genetics, admission is based on the Common Post Graduate Entrance Tests (CPGET), which will be administered by Osmania University in Hyderabad via an online computer-based test.
For more details of application, exam dates -
https://www.careers360.com/university/osmania-university-hyderabad/msc-genetics-course

Hope it helps!