Hello Priyanka,
As mentioned your rank in ts pgecet  there  are less chances to get  top government colleges but there are some colleges where you can get admission:-

• Mahatma Gandhi Institute of Technology
• MLR Institute of Technology
• Kakatiya Institute of Technology and science
• Guru Nanak Institutions of Technical Campus
• Vidya Jyothi Institute of Technology
• Anurag College of Engineering
• CMR Institute of Technology

For more information. Click here:-
https://engineering.careers360.com/articles/ts-pgecet-counselling/amp
.

Hope this helps...

Thank you and all the best...