Section 447(4) in Greater Hyderabad Municipal Corporation Act, 1955
(4)where the building abuts upon more than one street its height shall be regulated by the wider of such streets so far as it abuts upon such wider street and also, to a distance of eighty feet from such wider street, so far as it abuts upon the narrower of such streets:Provided that, if the face of the building is set-back from the street at any height not exceeding the height specified in sub-section (1), sub-section (2), or sub-section (3), as the case may be, such building may be erected or raised to a height greater than that so specified but not so that any portion of the building shall intersect any of the series of imaginary straight lines drawn from the line of setback, in the direction of the portion set-back, at an angle of forty-five degrees with the horizontal.