Section 25. The Collector may, with the sanction of the Chief Revenue Authority, let in farm, for any period not

25. The Collector may, with the sanction of the Chief Revenue Authority, let in farm, for any period not exceeding five years, the duties leviable on the retail sale of spirituous or fermented liquors, or intoxicating drugs, or any description of such liquors or drugs in any district or division of a district.