Section 84(1) in The Haryana New Mandi Townships Building Rules, 1967
(1)Every person who shall install a septic tank in connection with a building or other premises shall construct such septic tank of good brick work in cement properly rendered inside with cement and with a backing of at least 23 centimetres (nine inches) of well puddled day or atleast 15 centimetre (5.906") of good cement concrete around and beneath such brickwork, or shall otherwise construct such septic tank of suitable material and so as to be impervious to liquids, to the satisfaction of the Administrator.
