You can check the top colleges below after scoring good marks in JEE Main

Government

National Institute of Technology Tiruchirappalli

National Institute of Technology Warangal

National Institute of Technology Karnataka, Surathkal

National Institute of Technology Calicut

Motilal Nehru National Institute of Technology Allahabad

Delhi Technological University, Delhi

Private

PSG College of Technology, Coimbatore

SASTRA University, Thanjavur

SSN College of Engineering, Kalavakkam

Thapar University, Patiala

Amity School of Engineering, Noida

To check complete list you can refer below link

Top Engineering colleges through JEE Main

Good Luck!!