Hello Sandhya,

Some of the best engineering colleges under AP EAMCET for CSE or ECE are 

• Andhra University College of Engineering, Visakhapatnam
• Gayatri Vidya Parishad College of Engineering, Visakhapatnam
• JNTUA College of Engineering, Anantapur
• Jawaharlal Nehru Technological University College of Engineering, Kakinada
• Koneru Lakshmaiah Education Foundation, Guntur
• Sagi Ramakrishnam Raju Engineering College, Bhimavaram. 

Go through these colleges personallyanf see whether you like them or not. These are the best colleges of AP EAMCET. Also this is a link of all these colleges information and their cut-off ranks. https://engineering.careers360.com/colleges/ranking/top-engineering-colleges-in-India-accepting-ap-eamcet-score. Your rank is fine so try to look for all the government colleges first, with some luck might get the admission in one of those. 

All the best.