1) Goto message box and type it
PORT 7860288XXX
2) And send it to 1909 [iss message se aapka 1rs cut ho jayega]
3) 6 hour baad apne mobile phone se Dial karo
*150*681#
Note- First step mein likha hai [PORT 7860288XX] replace it into your Idea No.
100% Tested in UP & Delhi.