No, KEAM entrance exam is conducted only for BTech admission. For architecture, you should write NATA exam and score the minimum qualifying marks to be considered in KEAM architecture rank-list. First you need to register for KEAM through its official website and select your preferred courses. You can get admission to any architecture college in Kerala if you have a valid score in NATA and should have filled the KEAM application form. No need to write KEAM if you are interested only in BArch.