A summary of each is given below. These offer unlimited economy-class travel on all domestic Indian Airlines services. No stop may be visited more than once, except for transfer. No town may be visited more than once, except for transfer. There are ships from Calcutta, Vishakapatnam and Chennai to Port Blair in the Andaman Islands, and from Kochi and Calicut to the Lakshadweep Islands.
Services are often seasonal, and are generally suspended during the monsoon.
One particularly attractive boat journey is the 'backwaters' excursion in the vicinity of Kochi in Kerala. Several local tours are available. The Indian internal railway system is the largest in Asia and the second-largest in the world. Its trains carry over 12 million passengers every day. The network covers much of the country and is a quintessential part of the fabric of India, as well as being relatively inexpensive.