North Bihar Power Distribution Company [NBPDCL] — Very high bills /wrong bill amount

Dear sir with due to respect I beg to say that my consumer Id is[protected]
I had downloaded a online nbpdcl app bihar bijli bill pay app according to your instructions and I am using it from many months but the problem is that the bijli bill of only may month is showing 11000 plus which is wrong we don't had used this much amount of electricity so please fix it I had also calculated it from the meter but there is very high difference between both my metre is showing very very little amount as compared to the amount which is showing on that app please solve it