Hello Ashok,
Firstly I want to tell you that you made the right choice to come here on Careers360, we can definitely help you out and you will find all answers here.
Osmania University is one of the oldest Universities and no doubtedly, the best choice on your part.

Osmania University, established in 1918, is the seventh oldest in India, the third oldest in south India and the first to be established in the erstwhile princely state of Hyderabad. Through out its existence of over eight decades, it has shown remarkable progress and sustained an integrated deve- lopment of all faculties. It has significantly contributed to the academic and economic development of not only the region but also of the Country. Its alumni have distinguished themselves nationally and internationally in various spheres of life and are spread far and wide around the world.

The University has a vision of developing, enhancing, and improving the quality of human resources to meet the challenges of regional, national and global socio-economic changes. It's mission is to achieve excellence in teaching and research and to create opportunities for the students to contribute to the national and regional development.

Osmania University is re-accredited by the National Assessment and Accreditation Council (an Autonomous Institution of the University Grants Commission) as 'A' Grade University.

I would request you to wait for the cut offs to comeout and hence this will help you in the decision making and also make standby college plans.
The respective authorities can help guide you with the admission procedure.
You can check previous year cutoffs to have a rough estimate how much to do take the general category in and the closing mark too, This will help you out.
 I hope you have found this informational,
All the best !