Plug [q] country code problem

I OWN A HTC 7 PRO CDMA AND I'M LIVING IN INDIA...WHENVER ANY OUTGOING CALL COMES ON MY PHONE..IT AUTOMATICALLY ADDS +00 instead of +91 which is india's county code plz help me in fixing this issue..hence i'm not able to redail the no..becoz it says plz check the no. u have dial