x x x (iii)in the case of any building, if he requires it for the re erection of that building or for its replacement by another building, or for the erection of other building; x x x (b) The Controller shall, if he is satisfied that the claim of the landlord is bonafide, make an order directing the tenant to put the landlord in possession of the building or rented land on such date as 629 may be specified by the Controller, and if the Controller is not so satisfied, he shall make an order rejecting the application; x x x (4) where a landlord who has obtained possession of building or rented land in pursuance of an order under. sub paragraph (iii) of the aforesaid paragraph (a) put that building to any use or lets it out to any tenant other then the tenant evicted from it, the tenant who has been evicted may apply to the Controller for an order directing that he shall be restored to possession of such building or rented land and the Controller shall make an order accordingly. " Reading these provisions as a whole, it is obvious that if the landlord 's need be genuine and he satisfies the Controller, he can obtain possession of the building or the land, as the case may be.