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

• National Institute of Technology Meghalaya Structural Engineering
• Sardar Vallabhbhai National Institute of Technology Surat Urban Planning     
• Punjab Engineering College Chandigarh Environmental Engineering
• National Institute of Technology Silchar Structural Dynamics & Earthquake Engineering
• Maulana Azad National Institute of Technology Bhopal Geoinformatics & Its Applications
• National Institute of Technology Agartala Water Resources Engineering
• National Institute of Technology Agartala Environmental Engineering 
• National Institute of Technology Silchar Water Resources Engineering
• National Institute of Technology Agartala Seismic Science and Engineering
• Malaviya National Institute of Technology Jaipur  Disaster Assessment and Mitigation

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