Before you book your tickets, please make sure your visas and travel documents are in place. For more information on Travel Visa, visit: http://goindia.about.com/od/visas/tp/Guide-To-Indian-Visa-Types.htm
The Consular Passport and Visa division is responsible for issuance of passport and visa to persons of Indian Origin. You can download a form as well as browse for information on at : http://passport.nic.in/
Some other very useful links are:
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