I need refund of live wallpapers app

Hello

I have downloaded Live wall paper app from iCloud and I submit my HDFC Card details to download but it was three days of trial.. Apple or iCloud app have to inform me for smart pay deduction from my account no information To be given.. As I have deleted live wall papaer app on same day.

I request you kindly refund my payment in my HDFC Credit card as i am not happy with this app.

Thanks