Tamil Nadu Electricity Board [TNEB] — Excess meter reading and not able to log in

Address:

69/45 7th Avenue Ashok Nagar, chennai 83

My EB normally comes between Rs.3500 to 4500 . But this monthi got a bill of 6796. I am a regular eb bill paying customer. My last bill of Rs. 4222 might have been not be actioned in your system which I paid on 3 Jun through online. Kindly check your account.
I am not able to log in also . kindly provide username and password also . My cusumer number is Chennai south region Number
[protected]
My cell no is [protected]