Tamil Nadu Electricity Board [TNEB] — Bill forgery

Address:

600097

I'm living on 3/24, IInd Floor Kalaingar karunanidhi street Karapakkam Chennai-600097. our EB meter no. 01/3064

Currently, our EB meter is working fine and the bill gets generated for every two months. In the year 2016 we've payed up to Rs.2000 for 3 months for the usage of two fans, lights and one mixie(not maximum times)
Once enquiring with the EB office staff they've informed that meter is working fine and they don't know why the bill amount is too large.

Can you help us