Calcutta Electric Supply Corporation [CESC] — unexpected high electricity bill for may 2019

Address:

76/13 p majumdar road p.o haltu, Kolkata, West Bengal, 700078

This month I.e May 2019 I received high electricity bill of amount 4910 rs for one ac which runs during night hours only. For the previous months the Bill's were approx amount 1400 to 1500 only.
The customer I'd is [protected] and consumer no [protected] mobile [protected], [protected] name Ajoy Kumar Banerjee email address [protected]@rediffmail.com
Cesc help lines are not working so unable to figure out the what is the resolution for the complaint docket 3199955. In complaint status the docket showing responded but no response has yet been received in either mail or in mobile.

Thanks
Arup ratan Banerjee
C/o Ajoy Kumar Banerjee
.