Section 1262(e) in Police Regulations, Bengal , 1943
(e)The travelling allowance of the District Engineer referred to in clause (b) above shall be charged to the Police budget under the head "Travelling allowance of gazetted officers," and may be incurred in excess of the departmental limit but the commission payable to the District Board under clauses (c) and (d) is chargeable to the project itself and cannot be incurred in excess of that limit.