Bargate Communication Private Limited · Stone Solar Private Limited · Duncans Tea House Pvt. Ltd. · Zeal Engineering Equipments Tradeco Private Limited · Skylight Trading Company Ltd. · Continuous Forms (Calcutta) Ltd · Silent Valley Investments Ltd · Santipara Tea Company Ltd. · U99999 Wb1992 Ptc055576 · U51909 Wb1995 Ptc071136