i Junaid,
As you have got 506 marks in keam 2020 and as per your percentage in class 12 your rank would lie in between 7549-12000 and as previous year cutoff, the colleges you will get with your rank are:-
Government College of Engineering, Kannur
Mar Athanasius College of Engineering
Government Engineering College, Sreekrishnapuram
Ezhuthachan College of Pharmaceutical Sciences
Government Engineering College, Barton Hill
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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