Section 88(5) in The Haryana New Mandi Townships Building Rules, 1967
(5)He shall cause the walls of such absorption pit to be brought up to at least 25 centimetres (9.843 inches) above ground level or to such height above ground level greater than (9.843 inches) 25 centimetres so as to exclude effectually the entry of storm water or irrigation water into the absorption pit.
