AIRCEl

I M USING AIRCEL PREPAID YOUTH PLAN.IT HAS COST ME RS 200.THEY GAVE ME A OFFER OF CALLING STD TO AN AIRCEL NO AT 25P?MIN & TOLD THAT IN FUTURE I COULD CHANGE THE NO(FOR CALLING AT 25P?MIN.NOW ALSO THEY ARE SAYING THAT I CAN CHANGE>32 WEEKS HAVE PASSED SINCE I HAVE SENT THEM THE REQUEST FOR CHANGING THE NO.I ALSO COMPLAINED AT THE CALL CENTER.THEY GAVE ME THE COMPLAINT NO & HAVE NOW CLOSED THE COMPLAINT & WRITTEN THAT SOLVED.BUT I M STILL FACING THE PROBLEM.MY MOB NO-IS9716502150.I LIVE I NEW DELHI.