Section 115A(5) in The Delhi Municipal Corporation Act, 1957
(5)If the ownership of any vacant land or building or any portion thereof is sub-divided into separate shares, or if more than one adjoining vacant land or building or portion thereof comes under one ownership by amalgamation, the Commissioner may, on an application from the owner or the co-owners, as the case may be, separate, or amalgamate, as the case may be, such vacant land or building or portion thereof so as to ensure conformity with the provisions of this section.