The Learned counsel for the petitioners further contended that although said Industry is in existence since 1972 much prior to the agreement of petitioner No 3 but it is a polluting unit. Initially it was known as Swaraj Combine Factory. Thereafter, it was taken over by M/s Mahindra & Mahindra Ltd, as a Swaraj Division. Now it is known as Mahindra & Mahindra Ltd. Swaraj Division , Phase IV, Industrial Area, SAS, Nagar, Mohali. Mahindra &Mahindra, is one of the world’s largest tractor manufacturer and Swaraj Division is its manufacturing unit situated in Mohali. The Industry manufactures about 100 tractors daily, 300 combines per year and 300 forklifts per year and also manufactures various spare parts of tractors, combines and forklifts. The Industry is spread over an area of about 32 acres. Its manufacturing processes involve surface treatment, heat treatment and paint, resultantly causes immense water and air pollution. He made reference to the photographs (Annexure P-7) annexed with the writ petition. So, counsel for the petitioners argued that industry is required to be shifted and sealed.