Calcutta Electric Supply Corporation [CESC] — high electricity bill consumer no [protected]

Address:

Kunj vihar apartment, Don Bisco Schoo, Girish Ghosh Road Howrah, Kolkata, West Bengal, 711202

Hi,
My consumer no is [protected]. I had used electricity very limited during last billing period but my bill came rs 2510 which is hightest ever and i had not received such kind of high bill ever. Pls loook into it and reduce the amount immediately. I cannot pay 3 -4 times high bill.
Please help to resolve the issue because we cannit pay whatever cesc ask us to pay.