How much money you spend on your trip to Himachal depends on how long you stay, where you stay, and what you do. Costs start at 3499 Rp (Indian Rupees) for two days and one night (including lodging) and go up to 57479 Rp (Indian Rupees) for thirteen days and twelve nights (including lodging).
Yes. You can change the date of booking till 2 days before the booked date free of charge. After that, there will be a cancellation charge as per cancellation policy.
Whether a booking is made online or over the phone, a confirmation would be sent to you via e-mail, which would include your reservation number and travel details.