Why card is charged before host confirmed?

[Rickey2]

My card was charged full price before the host confirmed my reservation. The host declined my reservation however my card was already charged! Why is this air bnb's process? The refund process is 5-7 business days. 

extremely frustrating!!! 

[Branka-and-Silvia0]

@Rickey2 

is it booking in India? I found about it just a few days ago

https://www.airbnb.com/help/article/92/when-am-i-charged-for-a-reservation