18. (1) It shall be the duty of the Board to secure the maintenance of an adequate standard of efficiency in recognised institutions. (2) For the purpose of securing such standard, the Board may-(a) from time to time call upon any recognised institution to furnish such particulars as the Board may require of any course of study provided or examination conducted by such institution; and(b) depute inspectors or teachers of recognised Homoeopathic institutions to attend and be present at all or any of the examinations conducted by the Board. (3) The inspectors or teachers shall not interfere with the conduct of any examination and their duty shall be to report to the Board their opinion as to the sufficiency or otherwise of an examination which they attend, and any other matter in relation to such examination on which the Board may require them to report. (4) The Board shall arrange periodical inspection of recognised institutions and supervision of examinations conducted by the Board through inspectors, to be appointed by the Board, and shall pay such salaries and allowances and travelling expenses to the inspectors as may be fixed by the Board.