works from November, 2020; Storage of tarks loaded and unloaded started from November 2027 and these r.anks were used for storage of solvents only. He also submitted -hat there is no manufacturing or production of any type of solverrts or materials. As the power supply is being used for the purpose cf storage of oils or solvents, the service has to be billed under LT-ll category as per Clause 1.4 of Tariff orders. Hence a back billing notice dated 31.10.2022 was issued to the 1"t respondent for a sum of Rs.5,20,796 for chalge of service connection fron LT-III to LT-II from 06.10.2O2O to 04.11.2022. On 17.11.2022, the Divisional Engineer, Operation, has issued a Final Assessment order dated 17 .11.2022 conlirming the Provisional Assessme-rt notice dated 31.10.2022. The l"t respondent has paid 5O% of the Provisional Assessment notice i.e., Rs.2,60,398 on 25.O1.2023 and has preferred an Appeal to the Superintending Engineer, operation, Medak (petitioner No.1) vide letter dated O5.O1.2O24 and the l"t petitioner has withdrawn the total back billing amount. Aggrieved by the inclusion of the back billing amount in ttre CC bills and surcharge, the lst respondent has approached the Consumer Grievance Redressal Forum for refund of differer: tial billing and additional charges. While the matter stood thus, again on O5.O7 .2024 , the service connection of the lst respondent was inspected by the 1st petitioner and during the course of his inspection, petitioner No. 1 found that there arr: three service