Section 59(1)(d) in Hyderabad Metropolitain Water Supply Sewerage Act, 1989
(d)to provide a closed drain in substitution of open drain or to provide such other appliance or thing either newly or in substitution of any existing appliance or thing or to provide both a closed drain and such other appliance or thing in substitution of the existing open drain and other appliance or thing which is or is likely to be injurious to health;