Yes, the majority of room reservations are refundable if you cancel prior to the hotel's cancellation deadline, which in most cases is within 24 or 48 hours of the scheduled arrival. If you have a non-refundable reservation, you might be able to still cancel and receive a refund within 24 hours of your booking. Enter dates in and click on "Search", then you can filter by "fully refundable" to review the best options available near Birla Planetarium.