Calcutta Electric Supply Corporation [CESC] — reminder complaint about not delivering my monthly electricity bill.

I have posted a complaint on date 25.03.2019 and personally visited at your mandeville garden office at room 41, ground floor, with your officer, but still the bill is not delivered at the due address i. E.
C/o, ashis kanti basu
"basu bhawan"
Vivekananda college road.
Thakurpukur,
Kolkata - 7000 63.
This is a reminder complaint to your good office. Please immediately take necessary actions.