Hey Vishnu Buggineni,

Firstly you need to Visit the below mentioned website

https://tseamcet.nic.in

and click on the link on the button Payment or processing fee. Then you need ti Register by providing your Registration Number which was alloted to you on TSEAMCET-2019 Hall Ticket. and the Date of Birth as mentioned in the SSC. . Hall Ticket Number of Intermediate. The Basic Information Form is displayed On the screen. Then you need to Fill in the details such as your Mobile Number and Email Address. You should also fill the details of your Caste Certificate and Income Certificate application Number which is  issued by MeeSeva. You cannot Change of mobile number . You need to Update the information and pay the Processing Fee of Rs. 600/-  for SC/ST and Rs. 1200/- OBC Category through online payment Credit Card or Debit Card or  Net Banking
For more details you can check here:

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