Hello Aspirant...

With a JEE mains rank of 300575, you might be able to get into one of the following colleges:

• Thapar Institute of Engineering and Technology
• Shri Ramdeobaba College of Engineering and Management, Nagpur
• Deenbandhu Chhotu Ram University of science and technology , murthal district sonepat
• B.P. Poddar Institute Of Management & Technology
• Meghnad Saha Institute Of Technology
• Lakshmi Narain College of Technology, Bhopal
• Bengal Institute Of Technology
• University Institute of Engineering and Technology, Rohtak
• University Institute of Engineering and Technology, Kurukshetra
• Shri Vile Parle Kelvani Mandal's Dwarkadas J. Sanghvi College of Engineering,Vile Parle,Mumbai

To see what colleges you might obtain based on your JEE mains score, use the JEE mains college predictor tool:

https://engineering.careers360.com/jee-main-college-predictor

Best wishes