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

• National Institute of Technology Meghalaya Structural Engineering
• Indian Institute of Engineering Science and Technology Shibpur District Howrah Geoinformat
• Sardar Vallabhbhai National Institute of Technology Surat Urban Planning
• Indian Institute of Engineering Science and Technology Shibpur District Howrah Environmental Engineering
• Visvesvaraya National Institute of Technology Nagpur Environmental Engineering

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