Photoshop or any other image editor could be used, with a little extra work, to produce the fake airline tickets. They lack a PNR code and cannot be verified on the airline website. There is a considerable risk involved in using a fake plane ticket as identification or even while applying for a visa because they are easy to spot.
To pass immigration control or file for a visa, you must purchase a fake ticket with a verified PNR.
For roughly INR 350, or $5, you could purchase a bogus ticket in ten minutes. https://www.airdummyticket.com/.