Landlord may recover possession of premises if the tenant has created on the premises any permanent structure without consent of landlord, the permanent structure includes

Maharashtra Rent Control Act: Section 16 When landlord may recover possession: (1) Notwithstanding anything contained in this Act but subject to the provisions of section 25, a landlord shall be entitled to recover possession of any premises if the court is satisfied- (b) that the tenant has, without the landlord's consent given in writing,  erected on the premises any permanent structure; Explanation.- For the purposes of this clause, the expression "permanent structure" does not include the carrying out of any work with the permission, wherever necessary, of the municipal authority, for providing a wooden partition, standing cooking platform in kitchen, door, lattice work or opening of a window necessary for ventilation, a false ceiling, installation of air-conditioner, an exhaust outlet or a smoke chimney.