IIsc college cutoff goes to approx 830 last year. but you have score much closer to that score, there are chance you get IIscBanglore.
As per your score and previous year cutoff, the colleges you get in first round are:-
IIT Kanpur    Civil engineering     Infrastructure & Engineering Management
IIT Kanpur    Civil engineering     Geotechnical
IIT Kanpur    Civil engineering     Environmental Engineering and Management  
IIT ISM Dhanbad    Civil Engineering     Structural Engineering     
IIT Kanpur    Civil engineering     Hydraulics & Water Resources     
IIT Bombay  Civil Engineering     Water Resources Engineering      
IIT ISM Dhanbad    Civil Engineering     Structural Engineering     
IIT Bombay  Civil Engineering     Geotechnical Engineering  
IIT Kanpur    Civil engineering     Transportation       
IIT Kanpur    Civil engineering     Geoinformatics
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

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