How to transfer balance from one mobile to another

Here's a trick to Transfer Balance from one mobile to another
a great trick to play on your Friends when you have their mobile.

Tata docomo -
Type in you message box:

BT<space> MobileNumber<space> amount  and send it to >> 54321

Vodafone

Send:
TRAN (amount u want to transfer)
(phone number of your friend)
to
144(tol free)
or
Dial>>
*131*20*<phone number>#
& press call button

Bsnl

just send sms as
GIFT<space>mobile number<space>and send it to>> 53733

Airtel

dial>>
*143*<phone number>#
& press call button u can transfer Rs.50
Idea-
Dial>>
*567*<phone number>*Rs#