You can cancel this tour up-to 24 hours in advance for a full refund.
Yes, you can book this tour in advance, you can select pay on arrival as a payment mode to reserve this tour in advance.
You can Pay via PayPal, Credit Card and also in Cash on Arrival.
You have to mention your pick-up location when you book the tour. Pick-Up and Drop-off available at Delhi Airport, Any hotel in Delhi, Noida, Gurgaon or nearby area.