Nrb Estates Private Limited · The Kilkotagiri Tea & Coffee Estates Com Pany Limited · L15491 Wb1976 Plc030655 · U01132 Tz1948 Plc000352 · Katras Jherriah Coal Co Ltd · The New Beerbhoom Coal Co Ltd · The Bengal Coal Co Ltd · Yule Agro Industries Limited · Hooghly Printing Co Ltd · Abc Tea Workers Welfare Services · West Bengal Tea Development Corporation Ltd