society. The co-operative society which proposes to carry out structural repairs to the building and the building or any part thereof is required to be vacated, or to reconstruct a building after the existing building is required to be demolished, the occupiers thereof, on being called upon by a notice in writing by the co-operative society, shall vacate their tenements. It is that step which is contemplated by sub-sections (1) and (2) and thereafter what the co-operative society should do and how it should accommodate all the occupiers and its members is then set out by the provision. However, for that to come into effect we must notice the prior statutory provisions and why by Chapter VIII-A, Section 103-A has been brought on the statute book. That applies to certain buildings. Section 103-B provides for acquisition of cessed property for co-operative societies of occupiers. Once the acquisition has to be made for such an entity, then, it is that entity which initially moves the State Government for acquiring the land together with the existing building thereon, or where the building owner does not own the land underneath or appurtenant to such building but holds it as