North Bihar Power Distribution Company [NBPDCL] — different bill according to meter reading

Address:

843317

Sir mera consumer no :- st307822 hai. Sir mai 19 march 2015 ko nds 1 ka connection liya but after some month mera bill nds 2 ka bill aya. Abhi tak ka reading only 827 hai but bill 14981 ka aya hai. 05 october 2017 ko office ka clerck aya aur connection ko disconnect kar diya. Mane je ke pas verbally complain kiya tha to bola gaya ki sudhar ho jayega. Abhi tak problem same to same hai.

So please kindely help me...