BANGALORE, DHNS: All ITC's luxury hotels have been accorded highest rating: LEED Platinum (Leadership in Energy & Environmental Design) making it the 'greenest luxury hotel chain in the world', the company said. It is an endorsement of ITC Hotels' credo of 'Responsible Luxury'—that integrates world class green best practices with contemporary de­sign elements. It means ITC Hotels blends elements of nature to deliver a value proposi­tion to guests, conscious of their responsibility to be planet positive.