NHN Corporation Ltd., formerly widely referred to as Atco Healthcare Ltd.(AHCL), created and deployed in 1997 is into production and sale of bottled drinking water/Mineral water. AHCL has already created and deployed two state of the art plants plant in Mumbai and Daman to produce bottled mineral water. The company is also seting up two more plants at Chandigarh and Noida. The company markets it's bottled mineral water under 'Brilliant' brand in various litre packs i.e. 20 ltrs, 0.2, 0.5, 1, 1.5 ltrs packs.

AHCL is also undertakes turnkey projects of implementing complete water processing plants for other corporate entitys. It supplies process, Design & Layout for water projects; Supply, Erect, Install and Commission Plant and Machinery with complete operational & Procedural training; marketing support; product development; quality & maintenance audits; troubleshooting assistance; after sales service and upgradation of existing plants.