(a)The Joint Commissioner of Excise is directly under the control of the Excise Commissioner and is responsible for the working of the Excise Intelligence Bureau of the Excise Department. The primary duty of which is to collect information for officers and to transmit them to the District Excise staff for action. He will maintain close and constant touch with District Superintendent of Excise in collaboration with whom it will usually be convenient for him to work. He will report promptly to the Excise Commissioner any important information which may reach him through the tour diaries and reports of his subordinate or from other sources and the action he takes thereon.