Hotels.com — Book of two rooms at hotel gohar in Dalhousie

We booked today two rooms at hotel gohar in Dalhousie but when we reached there hotel manager said we have no rooms availability. All the rooms are book. Hotel. Com site are booking rooms without our permission. We paid rs. 4480 for two rooms to you by debit card so kindly refund my amount. Please give me update regarding the same.