There are duty-free shops at all the international airports. A visitor to India can buy duty-free goods also at the arrival lounge before going through the customs. Prices are comparable and even cheaper than any other place like Singapore and Hong Kong. For planning an Indian tours, you should select a major entry point as a bake. The tour can be planned to other tourist centres in the region for the Flights to Allahabad. Advance planning and reservation of Airlines is very important during the peak tour season i.e. October to March. The airlines are run quite full during this period.