Calcutta Electric Supply Corporation [CESC] — Meter reading problem or meter problem

Address:

Kolkata, West Bengal, 700061

Yesterday i got message that my meter reading noted 3669 unit, earlier month it was 3171 that means it consumed 498 units in 1 month whereas my earlier month's unit was 91.. So how this could be possible to reach 498 units in 1 month?

I used ac but it doesn't mean all throughout the day. Cesc can go through my last 6 months bill as well as last year same month's bill, you can see highest reach o[censored]nit was 225, earlier year i also used ac in same manner. Clearly it shows such problem in meter or meter reading process.

I have also noted today's meter reading that is showing 3675, that means 6 unit in 1 day (I didn't use ac yesterday), only using 2 fan, 2 tube-light & 1 refrigerator how this could be 6 unit in 1 day, if i calculate it in month, it comes to around 180 unit without using ac.

I am seeking the justification