Bharat Sanchar Nigam [BSNL] — Invoice

I want some clarification of my invoice i call the customer care executive & they are put down my call 4-5 time and two of them give me another ([protected]) number, if i call them they said me that call the ([protected] or [protected]) this number.
such a stupid employment of BSNL .
please hire a responsive team. who can resolve the issues.