Hindustan Lever Limited-Cochin, Kerala    Indian Rare Earths Ltd-Udyogamandal, Kerala   Tamil Nadu Paper Mills Limited Pugalur,Tamilnadu   Pigments India Ltd., Chalakudy, Kerala   Indian Oil Corporation, Ernakulam, Kerala   Mysore paper Mills Ltd., Bhadravathy, Karnataka   Fertilizers & Chemicals Travancore Ltd., Ernakulam, Kerala   Travancore Titanium Products Ltd., Trivandrum, Kerala   Kerala Minerals & Metals Ltd., Kollam, Kerala   Hindustan Zinc Ltd (All Units)   Hindalco . Ltd -Ernakulam, Kerala   Hindustan Newsprint Limited, Kottayam, Kerala   Kerala Chemicals & Proteins Ltd., Cochin , Kerala   Hindustan Organic Chemicals Ltd.,  Ambalamugal, Kerala   Kerala Water Authority Trivandrum, Kerala   Hindustan Insecticides Ltd., Udyogamandal, Kerala   Cochin Minerals & Rutiles Ltd., Aluva, Kerala   National Thermal Power Corporation (All Units)    Binani Zinc Limited, Edayar, Kerala   Steel Authority of India Limited, (All Units)   Karnataka Soaps & Detergents, Mysore, Karnataka   Nuclear Fuel Coporation Hyderabad, Andra Pradesh     Kudramukh Iron Ore Ltd., Mangalore, Karnataka   GTN Textiles Hyderabad, Andra Pradesh   Kochi Refineries Ltd., Ernakulam, Kerala