http://www.chennai-home.in - Chennai Duplex Homes – Buy new duplex homes in Chennai at Royal Castle Project. Know more about duplex homes for sale in Chennai from Amarprakash builders. Duplex homes with 2 bedrooms and 3 bedrooms along with balconies are in rampant demand in Chennai. The number of sales rate of these duplex homes in Chennai has surpassed the sales of other housing units.