How to take video in NIKON D5100?

How to take video in NIKON D5100?

Have you read your owner's manual? Details will be there.

Consult your manual. If you don't have one, download it from Nikon.

This happens only in India. When people buy product without any knowledge. You should have taken complete demo of camera when you were purchasing this. 40K is not a big money for you? Huh.
Money can buy everything, but not knowledge.

First, READ & STUDY the Owner's Manual for your camera.
Second, watch this tutorial:
http://www.nikondigitutor.com/eng/d5100/index.html Who better than Nikon to teach you to use your Nikon D5100?