Ambani to own world’s first billion dollar house.

The country’s richest person, Mukesh Ambani is believed to built the first billion dollar house in the world namely Antilia at Mumbai’s Altamount road. It is considered as the world’s most expensive building. It is a 27 storeyed building which is spread over an area of 4 lakh square feets rising 173 metres long. The house, antilia is said to feature a ballroom, three helipads, a 50 seater cinema hall, nine elevators and a six storeyed garage which can place for 168 cars.