As you are asking for Bharat Sanchar Nigam Limited Bill Enquiry Customer Care number , so here I am providing same for you:

Customer Care
Landline / Broadband
1800-345-1500

GSM Postpaid / Prepaid
1800-180-1503

WLL / CDMA
1800-180-1502

Here I am process also by which you can get info of Bharat Sanchar Nigam Limited Bill Enquiry

Go on Bharat Sanchar Nigam Limited official site

Click on Directory Service option which given in the bottom

By click there you will jump on new page where you need to click State Wise option

After that new page will open where you can check Bill Enquiry info


Corporate Office
Bharat Sanchar Bhavan
Harish Chandra Mathur Lane
Janpath, New Delhi-110 001
Phone: 1800-345-1500
Corporate identity Number
(CIN):U74899DL2000GOI107739