Hey Srinivas,

The counselling And Registration process for the TS PGECET should actually start on the third week of june. But it Was not yet started due To few delays. Mostly the counselling and the registration process might  start in the 4th week of july or even before. Anyways you can stay updated with the TS PGECET counselling dates and details by checking here regularly,

https://www.google.co.in/amp/s/engineering.careers360.com/articles/ts-pgecet-counselling/amp

All the best!