Section 306(1)(a) in Greater Hyderabad Municipal Corporation Act, 1955
(a)a drain be constructed of such size, materials and description, at such level with such fall and out-let as shall appear to the Commissioner to be necessary for the effectual drainage of such building [and the drainage betterment charges as fixed by the Commissioner, from time to time, with the sanction of the Corporation have been paid] [Added by Act No.6 of 1984.];