Excerpted from the India Career Guide

Being prepared is essential, from researching the company before the interview, to following up after the meeting, which should be done promptly. Dress should be conservative. Men may dress in Western business clothing; women may wear Western or Indian attire. While common, shaking hands is not a universal greeting in India, especially between men and women. It is important for the applicant to highlight specific skills and achievements, as well as previously held positions pertinent to the company. Responses to questions should be direct and polite.

This is just a sample of what you will find in the complete India guide.