Section 2(g) in The Companies (Cost Audit Report) Rules, 2011
(g)"Product Group" in relation to tangible products means a group of homogenous and alike products, produced from same raw materials and by using similar or same production process, having similar physical or chemical characteristics and common unit of measurement, and having same or similar usage or application; and in relation to intangible products means a group of homogenous and alike products or services, produced by using similar or same process or inputs, having similar characteristics and common unit of measurement, and having same or similar usage or application;
