(1) The electricity charges for the period for which meter was not read, shall be billed on the basis of actual average consumption recorded during the corresponding period in the preceding year, excluding the provisional billing:
Provided that if actual consumption recorded during the corresponding period in the preceding year is either not available or partially available, the actual average consumption of past 6 (six) billing cycles immediately preceding the date of meter being detected or reported defective, excluding the provisional billing, shall be used for billing purpose:
Provided further that if the actual average consumption of past 6 (six) months is either not available or partially available, the average consumption for the next 3 (three) billing cycles excluding provisional billing after the installation of new meter shall be used for billing purpose.
(2) The above sub-regulation shall not be applicable in the case of a burnt meter due to tampering or unauthorized abstraction of electricity, for which appropriate action under the provisions of the Act shall be initiated by the Licensee.