(7)Drill and, where practicable, swimming are compulsory subjects for boys in schools of all grades recognised by the Department, those boys only being exempted from a course of instructions who are certified by competent authority to be physically unfit.(D.P.I.'s circular no. 9, dated the 16th February 1917 and Government resolution no. 3268-E., dated the 5th December 1923.)
