Hi aspirant, as you have secured 450 marks in your NEET exam so on behalf of that below are some of the colleges in which you can enroll yourself for admission;

• PES Institute of Medical Sciences, Kuppam
• Santiram Medical College, Nandyal
• Nimra Institute of Medical Sciences, Ibrahimpatnam
• Katuri Medical College, Amalapuram
• GSL Medical College, Rajahmundry
• Great Eastern Medical School, Srikakulam

Etc.

For more colleges you can take help of the below mentioned link;

https://medicine.careers360.com/neet-college-predictor?utm_source=qna&utm_medium=neet_cp

Thank You.