Punjab Chief Minister Maryam Nawaz Sharif has directed to prepare a mapping plan for industrial zones.Chairing a meeting on the Urban Unit in Lahore today, she said comprehensive planning is essential for the Regional Economic Corridor in Punjab.She said the government will assist small industrialists after obtaining authentic data through industrial mapping.She directed to prepare data of all industrial units to formulate a practical strategy to control smog.The Chief Minister said that all-out efforts will be made to facilitate investors.Source: Radio Pakistan