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. Details of the main air centres included in the deal can be obtained from Indian Airways offices. 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 state-run by India Railways. It is the largest rail system in Asia and the second-largest in the world. There are over 62,000km of track, over 7000 stations and over 11,000 locomotives, including 5000 steam engines.