In the Matter of Belaire Owners' Association vs Dlf Limited, Huda CASE NO.19/2010 the Competition Commission of India held that
" there may be instances where at the time of actual construction, certain minor changes are required to be made in some of the drawing board plans and the building is constructed slightly different from the drawing board plan but it, more or less, conforms to the drawing board plan. In such a case, there may be either minor (say + 2%) increase or decrease in the super area as well as the carpet area of each apartment. However, the company if substantially changes the lay-out plan resulting, in more than 2% increase or decrease in super area, the allottees' consent should be obtained for such changes in the lay-out plans. Since the price paid by the allottee is per sq. ft. of super area, the price of the apartment would increase or decrease after the actual building is constructed. In order to lay a claim on the basis of increase in super area, the company is supposed to give information to the allottee about the difference in the initial building plan and the actually-constructed building plan on the basis of which the new super area is calculated. The actual plan should be the one submitted to the authorities for completion certificate and on the basis of which occupancy certificate is granted. The calculations of increased area should be sent to the allottee, so that the allottee knows and can verify on ground as to how his super area has increased. A mere letter from the company that the super area has increased is not sufficient to claim any amount from the allottee. Thus, whenever a claim on the basis of increase in super area is made, the company is bound to give the relevant information as to how the super area stands increased.