Tata Indicom — Fake calls from tata indicom

Address:

Mumbai

I am receiving FAKE CALLS from TATA INDICOM on my Mobile No. [protected].
The TATA INDICOM numbers used for making the calls are :
[protected]
[protected]
[protected]
[protected],
On redialing the numbers, the calls are being REJECTED.
On answering the calls, they are PUT ON HOLD.

Does TATA INDICOM involve in HACKING BUSINESS?
Will I have to report this to the Police?