Hi Ramakrishnan,
As you have got 312 Score in keam 2020 and as per your percentage in class 12 and previous year cutoff your rank will be in between 4000-5000. The colleges you get as per your rank are:-
Sree Chitra Thirunal College of Engineering, Thiruvananthapuram
Government Engineering College, Sreekrishnapuram, Palakkad
NSS College of Engineering, Palakkad
TKM College - Thangal Kunju Musaliar College of Engineering
To know more about your other colleges check out this college predictor link:
KEAM College Predictor 2019 - Know your college admission chances base ...
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