I am assuming thats the general rank. If you are looking for Govt. colleges the best colleges you are likely to get admission at are GEC Idukki and GEC wayanad. If you are looking for a Govt. Aided college College of engg Adoor and Attingal are the best bets. Check out the placement details of these colleges if you are interested as well. There are good self financed colleges as well. You can get the closing rank details of last year's keam allotment in this link. 

https://www.google.com/amp/s/engineering.careers360.com/articles/keam-cutoff/amp