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

• National Institute of Technology Agartala Instrumentation Engineering           
• Sant Longowal Institute of Engineering and Technology Instrumentation & Control Engineering
• Sant Longowal Institute of Engineering and Technology Electronics and Communication Engineering
• Pt. Dwarka Prasad Mishra Indian Institute of Information Technology Design & Manufacture Jabalpur Micro Nano Electronics
• National Institute of Technology Sikkim (Specialization in Control Power and Electric Drives)
• National Institute of Technology Meghalaya     Department of Electronics & Communication Engineering       VLSI & Embedded Systems
• National Institute of Technology Sikkim Microelectronics & VLSI Design
• National Institute of Technology Agartala Integrated Energy System  
• National Institute of Technology Manipur Power System and Control System

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