Economist.com cities guide – Mumbai: Business etiquette.
Never thought I needed one until I actually read the article and realised I did.
A handshake is the most common form of greeting, but some women prefer to press their palms together in a traditional namaste greeting. A man should wait for a woman to extend her hand before extending his, particularly if she is wearing traditional Indian clothing.
Bring plenty of business cards; you will be handing them out frequently, and not having enough is considered rude.