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The best way for you is to Visit International Tourist Bureau at New Delhi or At Agra Cantt Station itself. They will provide accommodation On Foreign Tourist Quota, almost all trains have this Quota.. More Info :-
New Delhi & Varanasi offices are known as International Tourist Bureau. International Tourist Bureau at New Delhi functions from 08:00hrs to 20:00hrs from Monday to Saturday and on Sunday from 08:00hrs to 14:00hrs. These provide assistance to the foreign tourists and NRIs regarding enquiries, booking, reservation and travel planning etc.
International Tourist Bureaus issue...
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reserved tickets to the Foreign Tourists and NRIs holding valid passport against payment in US dollars, Pounds, Sterling,Euros and indian Rupees. These Bureaus also sell Indrail passes which are issued to foreign tourists / NRIs on production of valid passport and valid visa.Indrail pass entitles the pass holder to travel as he likes over the entire Indian Railways with out any route restriction within the period of validity of IRP. Indrail pass however, does not guaranty reserved accommodation.
The fares of Indrail Passes are in US dollars. The important rules are printed on the Indrail passes.
The foreign tourists can also purchase Indrail passes from the General Sales Agents appointed abroad and Rail Travel Agents appointed in India.
A separate foreign tourist quota has been provided in all classes and almost all the trains for the facility of the tourists.
A tourist can obtain reservations against Indrail passes from any reservation office over Indian Railways.
For getting any clarifications regarding use of Indrail passes and facilities to the foreign tourists, the passengers should contact at :
International Tourist Bureau, First Floor, Station Building,
New Delhi Railway Station, New Delhi- 110055
Phone : 91-11-42625156, Fax: 91-11-23343050