The candidates must undergo prolonged preparation to take the examination. The examination is aimed at judging the knowledge of the candidate decision making  and understanding of languages of the candidate.

For the Objective test, one needs to start practicing early and regularly. A good book on the basics of General Knowledge, supported by reading a good newspaper and competitive magazine can greatly assist a candidate to do well in the exam.

For Arithmetics, special efforts are required. A standard grammar and comprehension book is of good help for passing the Section Officers (Audit) examination.