Calcutta Electric Supply Corporation [CESC] — high consumption bill in june 2020 rs.7830 (urgent attention)

Address:

9/2 SARAT DUTTA LANE

Consumption bill reported against consumer no [protected], customer id [protected] is rs. 7830. Which is much higher as i was not at home during the said period regularly. Being the area in contaminant zone no meter reading happened.
Current meter reading as on 18th july is 003117
Bill already paid at high rate, please adjust in the next bill for july 2020 for differential payment against over charge.
Meter photo attach