| Hindustan Organic Chemicals Ltd, (M/s HOCL) |
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| Hindustan Zinc Ltd, |
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| Hindustan Copper Ltd, (M/s HCL) |
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| Kerala Chemicals & Proteins Ltd, |
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| Travancore Titanium Products Ltd, (M/s TTPL) |
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| Binani Zinc Ltd, |
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| Hindustan Lever Ltd, (M/s HLL) |
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| Gujarat Narmada Valley Fertiliser Company Ltd, (M/s GNFC) |
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| Hindustan Insecticides Ltd, (M/s HIL) |
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| Indo German Carbons Ltd, |
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| National Institute of Technology (NIT)-Calicut |
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| Tata Projects Ltd (M/s TPL) |
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| Kerala Minerals and Metals Ltd (M/s KMML) |
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| Travancore Cochin Chemicals (M/s TCC) |
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| Oil Palm India Ltd (M/s OPIL) |
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| Kerala Water Authority (M/s KWA) |
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| SICGIL Iindustrial Gases Ltd (SICCGIL) |
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