The ITC Grand Chola is a luxury hotel in Chennai, India. Opened as the world's largest LEED-certified green hotel,The hotel avoided cutting down trees at the property ever since the pre-construction phase by transplanting all the existing trees around the hotel. Of the building material value of the hotel project, over 10 percent is composed of recycled raw materials, over 40 percent is composed of materials manufactured and/or extracted within a radius of 800 km, and over 5 percent is made of plant products that are typically harvested with a 10-year span or shorter.The hotel has 600 rooms and features 1,600,000-square-foot (150,000 m2) of built area, 75,000-square-foot (7,000 m2) of retail space and 100,000 square feet (9,300 m2) of conference and exhibition facilities, which includes a pillar-less main ballroom of 26,540 sq ft named the Rajendra Hall,[8] which can accommodate 5,000 guests.[9] The ballroom is a stand-alone structure gently sloping into a carpeted area