Section 39(4)(a) in The Greater Noida Industrial Development Area Building Regulations, 1992
(a)A single room tenement shall consist of a room not less than 9.5 sq. mtrs. in carpet area with the minimum width of 2.4 mtrs. and a multipurpose space area of not less than 3.6 sq. mtrs. with a width of 1.5 mtrs.