<P> In 2011 it was reported that Ambani had yet to move into the home, despite its completion, for fear of "bad luck". Basannt R. Rasiwasia, an expert in Vastu shastra, claims the home does not conform to Vastu requirements . </P> <P> Antilia is the world's most expensive home, costing approximately US $2 billion . Thomas Johnson, director of marketing at architecture firm Hirsch Bedner Associates (consulted by Reliance during the design of the building's floor plan) told Forbes magazine the residence cost nearly $2 billion . </P> <P> Hamish McDonald, author of Ambani & Sons: A History of the Business </P> <P> Few Indians are proud of the ostentatious house, while most see it as "shameful in a nation where many children go hungry ." Dipankar Gupta, a sociologist at New Delhi's Jawaharlal Nehru University, opined that "such wealth can be inconceivable" not only in Mumbai, "home to some of Asia's worst slums," but also in a nation with 42 percent of the world's underweight children younger than five . </P>

Where is the biggest house in the world located