NEW DELHI: All ITC's luxury hotels have been accorded the highest rating: LEED Platinum (leadership in energy and environmental design) making it the 'greenest luxury hotel chain in the world'. This distinction is an endorse­ment of ITC Hotels' credo of Responsible Luxury'— an ethos that integrates world class green best practices with contempo­rary design elements to deliver the best of luxury in the greenest possible manner.