[Class : 6] Steel Including Steel Alloy. Stell Sheets, Steel Strip, Steel Tubes, Steel (Unwrought Or Semi Wrought), Steel Wire, Rod And Non Ferrous Metallic And Non Metallic, Metals And Their Scrap And Other Goods Falling In Class 6.[Class : 37] Infrastructure Development, Repair, Construction Including Road Paving, Mining, Mining Extraction Including Extraction Of Gas Prod...