Before we proceed to discuss the questions formulated above, it is necessary to state the admitted facts of this case. It is not disputed that the shop of which the appellant was a ... tenant was governed by the State Rent Act. It is also not disputed that the tenanted shop was completely destroyed due to natural calamity i.e. by fire and it was not pulled down by the landlord. It is also admitted that as a result of destruction, the land on which the super structure stood was reduced to vacant land. It is also not disputed that what was let out to the appellant was shop and not land beneath the shop. It is also not disputed that the tenant made a new construction on the same site without the permission and consent of the landlord and the same was unauthorised.