Citibank — wrongly charged annual fee and interest on that against my credit card [protected].

Address:

Kolkata, West Bengal, 700057

I have taken a reward credit card 2018, but i have registered it on 2019 feb and immediately i have find last year card fees charged against my card.
What i have understand during selling of card, if we have spend more then 10000 rupees in a year then yearly fees will be charged, even same has calculated end of the year. But immediately after register charging of annual fees against my knowledge.
I want to close my card ([protected]) immediately.