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

IIT Bombay  Metallurgical Engineering and Materials Science          Materials Science    

IIT Bombay  Metallurgical Engineering and Materials Science          Corrosion Science and Engineering         

IIT Bombay  Metallurgical Engineering and Materials Science          Process Engineering

IIT Kharagpur         Metallurgical and Materials Engineering  Metallurgical and Materials Engineering 

IIT Hyderabad        Material Science and Metallurgical Engineering  Material Science and Metallurgical 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