Section 320(1) in Karnataka Municipal Corporations Act, 1976
(1)The provisions of this Chapter and of any rules or bye-laws made under this Act relating to construction and re-construction of the buildings or huts shall also be applicable to any alteration thereof or addition thereto:Provided that works of necessary repair which do not affect the position or dimensions of a building or hut or any room in a building therein shall not be deemed an alteration or addition for the purpose of this section.