Bharat Sanchar Nigam [BSNL] — to change the name on landline bill

Address:

413006

Dear respected sir,
I want to change my name rangrej v. B. To m/s. Veesons on landline bill and my number is 0217/2392222 so please change the name in next bill i have gone to our nearst bsnl office but they are not listining to us so i have gone to balives branch solapur office the officer are telling this is not my job go anether officer so please this name change must do as possible
Thank you...