As per your marks your predicted gate score  will be 481.

As per your score and previous year cutoff, the colleges you get in third round are:-

National Institute of Technology Arunachal Pradesh Department of Management and Humanities Appropriate Technology & Entrepreneurship Practices

National Institute of Technology Meghalaya Department of Electrical Engineering Power & Energy Systems

National Institute of Technology Agartala Department of Electrical Engineering Integrated Energy System

National Institute of Technology Manipur Department of Electrical Engineering Power System and Control System

National Institute of Technology Jamshedpur Department of Electronics & Communication Engineering Embedded Systems Engineering

National Institute of Technology Nagaland Department of Electrical & Electronics Engineering Power Systems Engineering

National Institute of Technology Sikkim Department of Electronics & Communication Engineering Microelectronics & VLSI Design

To know more about your chances of getting other colleges check out the PSU/college predictor link below:

https://engineering.careers360.com/gate-college-predictor