BSNL
Oadband net bill excess

My Account Number:9000219701

My client Id 4000219691

I was in Home 500 Combo plan . i.e. 2.00 a.m. to 8.00 a.m. fee net usage. I have used net in these timings. But I have received more bill for the month of August & September Rs.1413=00 and 1972 =00 respectively.

I want usage details and revise bill.