You can definately get a seat in JNTU but it depends on which branch you apply for

Candidates who appeared for the entrance exam conducted by JNTU, Kakinada can use AP EAMCET 2019 college predictor to predict and shortlist the names of the colleges where they can get admission for B.Tech courses. It is a simple tool which predicts the colleges for candidates on the basis of past years trends and data analysis. To use college predictor of AP EAMCET 2019 candidates have to register by using their valid email-Id or they can even log -in by using their Facebook and Google+ account

https://www.google.com/amp/s/engineering.careers360.com/articles/ap-eamcet-college-predictor/amp

Hello, Rohith first I would like to congratulate you for securing such a good rank in ap eamcet. I will mention a the top colleges for you along with the branches you can get in those colleges.
1. JNTU, Kakinada(EEE, CIVIL)
2.Andhra University( CIVIL, CHEMICAL)
3. Sri Venkateswara University(CSE,ECE,EEE,MECH,CIVIL)
4. JNTU, Vizianagaram( CSE, ECE)
5. JNTU, Anantapur(CSE, ECE, EEE,MECH)
For mock counselling you can go through this link

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/ts-eamcet-college-predictor/amp&ved=2ahUKEwiXn-LlsOviAhVBOI8KHa2ODsUQFjAJegQIAhAB&usg=AOvVaw3cMNsQbaNiR2SHlFmtIHOj&ampcf=1

Andhra Pradesh Engineering Agriculture and Medical Comm ...

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