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