Noida in India is a most expensive city in the world because Only Petrol prices are 80RS/Litter that is world’s most costly pricing now you thing that are the pricing of others thing such as food shelter property and other expenses.
Now Tokyo is become the most expensive city in all over the world Luanda is next and Moscow is drop to 3rd position in expensive cities.
According to "The Guardian" in June 2012 - TOKYO is the most expensive city in the world with Luanda in Angola coming second, caused by an oil Bonanza due to oil sales to China. Huh ! I would rather be ripped off any day in Tokyo than live in Luanda. London and New York are way below the top 10 - Surprise, surprise !