Section 117(2) in West Bengal Municipal (Building) Rules, 2007
(2)A kitchen shall have a floor area of not less than 4.20 sq meters and shall not be less than 1.52 m in width in case of plots having an area up to 167,2 sq m and shall have a floor area of not less than 5.57 sq metres and shall not be less than 1.83 m in width in case of plots having an area of more than 167.2 sq m. In case of Industrial or Low Income Group Housing Scheme, the minimum floor area of kitchen shall be 3.4 sq m. A kitchen, which is intended for use as a dining room also, shall have floor area of not less than 9.29 sq m with a minimum width of 2.5 m.