North Bihar Power Distribution Company — Double Billing on same meter id

I applied for an new electric connection on 19.06.2013. On 15.01.20114 meter no. 201440 installed at my house and i was provided consumer id HZ154576 and consumer no. AP0129. The first bill no. 154576 dated 14/08/2014 amounting rs 978 paid by me. After few days i got a second bill amounting rs 1071. which has same address same meter no. but a different consumer id HZ167997 . I made a written complaint in this regard to subdivisional electric enginner Mahnar(Vaishali) on 23/09/2014. to stop the dublicate billing on same meter no. with all required enclosures. But still i am receving Two bills every month. I am paying th bill regularly for consumer id HZ154576. Hence i request to stop billing of same meter with a different consumer id