Koustuv Mining And Smelting Private Limited · Koustuv Systems Private Limited · Gurukul Media Private Limited · Ekta Iron And Alloys Private Limited · Mallick Tools And Engineering Private Limited · Nama Marine Exports Private Limited · Odissi Properties Ltd · Rahul Iron & Steel Private Limited · Embassy Nirman Private Limited. · Lotus Residency Private Limited · Koustuv Metals Private Limited · Konark Cement And Asbestos Ltd · N K Media Ventures Private Limited · Aadi Broadcasting & Communications Private Limited · Nirman Promoters And Builders (India) Private Limited · Means & Securities Logistics India Private Limited · Swaroop Distributors Private Limited