Yes, most hotel bookings are fully refundable as long as you cancel prior to the accommodation's cancellation deadline, which in most cases is within 24 or 48 hours of check in. If you have a non-refundable reservation, you might be able to cancel it and get a refund within a 24-hour period of your booking. Plug in your dates, click on "Search", then use the "fully refundable" filter to view the best deals near Chilika Lake.