Telangana Southern Power Distribution Company [TSSPDCL] — Electricity bill for empty house

I got 23583 bill for an empty house and the bill cycle is 37 days, why are you doing this, for increasing slab rate ? I got an bill amount of 991 on 12/04 and for may 13657 and now 9637, local authority has done fraud and they are telling its previous dues, I cleared previous dues also, I’m getting current bill without using also ., I cleared previous dues of 18500 directly from ae office, please let me know how did I get 13657 previous dues after clearing total dues and how I got current bill of 9637 which says 1144 units for a shed which is not being used