How to run Internet without any cost in NTC Mobile

For Nepali NTC Users, Trick to run Internet free of costs...

1.First,Dial your own mobile no. and make it to call....

2.Open any of browser,and start running net..

3.After Finishing, close ur browser and attempt calling urself many time
 (just do fast before net sign goes) an after 1 min. Just leave..

.........Check the Balance...Enjoy...