The Ambani family owns the world's most expensive private residence. Take a look at their Mumbai tower, Antilia, which cost $1 billion to build, has 3 helipads, and contains a 168-car garage.

The Ambanis' tower, called Antilia, rises above the Mumbai skyline.Ashwin Nagpal The Ambani family, which just threw a pre-wedding party for son Anant, has built a tower in Mumbai. … [+4568 chars]

The Ambani family owns the world's most expensive private residence. Take a look at their Mumbai tower, Antilia, which cost $1 billion to build, has 3 helipads, and contains a 168-car garage.

The Ambani family owns the world's most expensive private residence. Take a look at their Mumbai tower, Antilia, which cost $1 billion to build, has 3 helipads, and contains a 168-car garage.

The Ambani family owns the world's most expensive private residence. Take a look at their Mumbai tower, Antilia, which cost $1 billion to build, has 3 helipads, and contains a 168-car garage.

The Ambani family owns the world's most expensive private residence. Take a look at their Mumbai tower, Antilia, which cost $1 billion to build, has 3 helipads, and contains a 168-car garage.

The Ambani family owns the world's most expensive private residence. Take a look at their Mumbai tower, Antilia, which cost $1 billion to build, has 3 helipads, and contains a 168-car garage.