You can book a pandit by simply visiting Haridwar and finding a local pandit on the ghats, or you can book online with various service providers for a hassle-free experience. They will supply you with the best pandit and pooja materials. Overall, booking online is a good option if you are staying outside Haridwar, as it eliminates travel-related concerns. You can also save time searching for a pandit and collecting pooja materials by booking online in advance.