Sanjay Sinha lives in Singapore and works in an investment bank. He spends his vacations in Macau, where he unwinds by playing poker. For the Christmas break, though, he headed to Goa where casinos are legal and very cheap. “The rupee is now so weak that it makes sense to head to Goa. Before I set off, I decide the maximum I can lose. In rupees that sum allows me to play 40% more than I could in Macau or Singapore,” he says.

In its Global Gaming Outlook Report for 2011, PriceWaterhouseCoopers (PwC) says that Asia will overtake the US as the world’s largest casino market. This is due to growing incomes and logistical and regulatory support. Recent examples of this include a railway that connects Macau with Guangzhou, which has boosted traffic from the mainland.

Going forward, Macau and Singapore will fuel growth in Asia. By 2015, the Asian market will reach $79.3 billion from $34.3 billion in 2010, an 18.3% compounded annual increase, says PwC.

In India, gambling is relegated to Goa, Sikkim and Daman. In 2011, casino owners in Goa reported...