Which course is tougher between architecture Diploma and civil engineering Diploma for an ITI draughtsman civil holder (12th with science)?

Toughness of a course mostly depends on the aptitude of the candidate and their ability to read and understand a course better than the other. It is mostly a state of mind. Diploma in architecture is as tough, if not tougher than its counter part (Diploma in Civil engineering). Architecture is of 5-