Indian Airways is Offering Upgrade from Economy to Business Class or from Business to First Class with the 'Get Upfront Offer'at the airport. Now You can Upgrade to Business Class at the airport itself. Enjoy the service of Business class for a nominal charge. This is available on First-come,First-serve basis.Enjoy the service and space of Business/First Class for a nominal charge. Upgrades is available from India to USA/UK/Europe/Gulf & Middle East/Australia/SE & FE Asia and SAARC. No AirIndia code is Required. Book a Ticket Now.