In case you don't know, India (and Pakistan, Bangladesh, Nepal, Myanmar and Sri Lanka) doesn't traditionally use the words "million" and "billion" to describe 106 and 109 respectively.
Instead, they use Lakhs and Crores to talk about big numbers. One Lakh is one hundred thousand, or 105. They write One Lakh like this:
- 1,00,000. (note where the commas are)
Crores are even tougher. A Crore is 10 million, or 107. They write One Crore like this:
- 1,00,00,000. (again, note the commas)
As always, Wikipedia has a very informative article on this topic. For outsourcing professionals, this is worth understanding, both to grok what's going on when or if you read an Indian newspaper, and to avoid potential errors as you negotiate rates, review invoices, etc.