[Class : 19] Building Materials, Natural And Artificial Stone, Lime, Mortar, Plaster And Grave, Road Making Materials; Asphalt, Pitch And Bitumen; Portable Buildings; Stone Monuments; Chimney Posts; Pipes Of Earthenware Or Cement; Concrete And All Cement And Concrete Based Products, Ornamental Concrete, Ready Made Concrete, Special Concrete, Fibre Reinforced Concrete, Cement , Bricks, Tiles, Ceramic Tiles, Plastic Tiles, Fire Proof Tiles, Roof Tiles , Ceramic Tiles, Plastic Tiles, Fire Proof Tiles, Roof Tiles , Adhesive Based And Resin Based Products For Building Purposes For Use Of Territory Of Sikkim, Kashmir, Leh Ladakh And West Bengal.