The candidates are put through three kinds of testing to ensure that the persons selected have: (i) a wide range of general awareness; (ii) analytical ability and content retention capacity; and (iii) a cheerful mental disposition even under stressful conditions and some other officers like qualities. Each one of these requirements is tested respectively through:
(A) Preliminary Examination (objective-type questions),
(B) Main Examination (descriptive-type questions), and
(C) Interview Test