( 1 ) THE short question that arises for consideration in this writ appeal is whether the exemption granted under Section 26 of the Andhra Pradesh Buildings (Lease, Rent and Eviction) Control Act, 1960 (hereinafter referred to as the Act) in respect of building bearing Nos. 3-4-249, 250 and 251 situated at Gunj Bazar, Secunderabad, is vitiated for non-observance of the principles of natural justice.

( 2 ) THE respondents herein purchased the building bearing the above numbers for a sum of Rs. 1 lakh. It is their case that they spent a sum of over Rupees 72,000/- for large scale improvements and alterations. It is their further case that they had purchased the building for their family business and for expansion of that business. At the time of the purchase, the tenants (writ petitioners) agreed to vacate the premises whenever the purchasers wanted. The respondents-landlords made substantial additions and alterations in the other portion and requested the tenants to vacate so that additions and alterations could be made in the premises occupied by them so that they could expand their business. They accordingly requested the tenants to vacate. They then applied to t