hello,

see btech in computer science and b. arch ifrom nit calicut it is totally two different course and stream. i think you are really confused which to make your career. see in computer science you need to deal with mathematics, coding languages and some of electronics. on the other hand architechture deals with building science and management, architechtural drawing. your resullts are quite good. and drop for one year is realy want great motivation, hard work , concentration and luck. so please think what you want to do.