Hi Pavan,

Based on your marks, your rank will be approximately between 25,501-45,000. As per their official website, the eligibility criteria says you must be pass in 12th or equivalent board examination, and the rank obtained int GAT-2019 must be subject to the following:-

• BTech programs:- 60% aggregate in Physics, Chemistry and Mathematics in the qualifying examination.
  
• BTech in Biotechnology:- 60% aggregate in Mathematics/Biology, Physics and chemistry.
  
• B.Pharmacy:- 50% aggregate marks in Mathematics or Biollogy, Physics & Chemistry.
  
• B.Arch:- 50% aggregate marks in Mathematics, Physics & Chemistry subjects and also qualify the NATA JEE Main Paper-2.
  

Based on the above marks, you can decide which branch you can get at GITAM VIZAG. For more information you can visit their official website:-

https://gat.gitam.edu

Hopefully this helps.