can i get the iphone from USA and get it unlocked in India

No. Any locked phones purchased in the US cannot be unlocked.

You can just buy an unlocked phone direct from Apple in the US, but only if you are physically in the US.

Also, note that your warranty will only be valid in the US.

sanjeeva_red_devil wrote:

what if i jailbreak the device.i know jb is not allowed in this forum

You said it.