Section 6(3) in The Chennai City Tenants Protection Rules, 1970
(3)The actual depreciation of a building aged in years is calculated by using the formula:-P = A(100-r)n/100When A - present capital cost of the building,r = % rate of depreciation per annum,n = age of the building (i.e. the number of years),p = the final depreciated value of the building.The amount of depreciation will be equal to ('A' 'P') subject to a minimum of 10 per cent of 'A'.
