A survey of 100 Indian companies found...that 72% of Indian firms were green compared to just 39% in the US...Real estate company K Raheja Corp has designed its buildings to allow sunlight in and keep the heat out...Cadbury India has constructed a check dam...in its Bangalore factory to store rain water....Cement company ACC has disposed of waste ...in cement kilns to reduce CO2 emissions, introduced high efficiency burners and seals. [also refers to ITC Welcomgroup]