The classification in the NCERT books is clearer, it explains three ways of classifying (which is also shown in the concept map). The Karnataka text book deals with the ownership classification (public sector and private sector) within the discussions on the secondary sector (Industrial sector), however in the NCERT book, ownership is shown as a third way of classifying. | The classification in the NCERT books is clearer, it explains three ways of classifying (which is also shown in the concept map). The Karnataka text book deals with the ownership classification (public sector and private sector) within the discussions on the secondary sector (Industrial sector), however in the NCERT book, ownership is shown as a third way of classifying. |