In brief, the tenant/petitioner filed an application under Section 4 of the Haryana Urban (Control of Rent & Eviction) Act, 1973 [for short “the Act”] for fixation of fair rent in respect of portion of the premises bearing No.66, Mall Road, Ambala Cantt. The learned Rent Controller assessed the basic rent @ 2,500/- per month and revised it @ 2,610/- per month from the date of the filing of the application. The said order of the learned Rent Controller, however, is set aside by the learned Appellate Authority on the ground that the demised premises was rented out in the April 2003 @ 2,500/- per month which was increased by 10% in April 2004 and further by 10% in April 2005 which comes to 3,000/- per month and the said amount of rent was paid by the tenant/petitioner for one year before filing the application on 03.08.2006 for