15. Provision may be made by rules under this Act for regulating the course of business and the preservation of order in the chambers of the Indian Legislature, and as to the persons to preside at the meetings of the House of Representatives in the absence of the president and the deputy president; and the rules may provide for the number of members required to constitute aquorum, and for prohibiting or regulating the asking of questions on, and the discussion of, any subject specified in the rules.
