Citibank — reversal of excess amount

Address:

B.Srinivas, 9948084833. H.No.4-21, T-1, Dasari Sunitha Reddy Towers, Quthbullapur, Medchal dist-500055. Telangana State. 9948084833

This is b. Srinivas my card no.[protected], i have received a bill of april, 2020. Statement column date 18.04.20 interest charge @3.50% (42.0% annual) and igst total an amount of rs.517.78/-. I cant understand how can you charge this amount in my bill.
I request to you please reversal the above said amount immediately, my card is absolute free of annual fee from beginning.

I humbly request to you earlier bill also (March-2020) have received interest charge @3.50% (42.0% annual) and igst total an amount of rs.1306.93/-

So i request to you please reversal the two months excess amount, i already contact the call center number of times finally i paid the entire amount, but your authorities to consider the same and reversal the my paid excess amount of rs.1306.93 and 517.78 immediately.

B. Srinivas, [protected].
H. No.4-21, t-1, dasari sunitha reddy towers,
Quthbullapur, medchal dist-500055. Telangana state.
[protected]