Cement OPC 43 Grade as per IS 4031 1993 Reaffirmed 1, Cement OPC 43 Grade as per IS 4031 1993 Reaffirmed 2, Cement OPC 43 Grade as per IS 4031 1993 Reaffirmed 3, Cement OPC 43 Grade as per IS 4031 1993 Reaffirmed 4, Cement OPC 43 Grade as per IS 4031 1993 Reaffirmed 5