How to recharge zong card full 100rs

Friends, here is the trick from which u can recharge full 100rs in zong.
Here are the steps...
1. First of all scrach ur zong card.
2. Than type on your mobile screen
*101*your card number#
3. Than save it, dont dial it.
4. After it saving above, u need to type a sms
Type ur CARD NUMBER and send to 678.
5. After sending above sms, immediately dial that number which u save in step 2.
Now its done...
U will receive 100rs in ur account...
Dont forget to say thanks for this needy trick...