It is not possible to buy a dummy ticket. Any group or business can provide a dummy ticket produced by Microsoft Word or another developer for free. Low-cost carriers (LCCs) forbid the printing of dummy tickets, yet some airlines do.
We can create a genuine dummy ticket with a live PNR in less than 10 minutes for about INR350/$5.

A dummy ticket is a short-term reservation that shows travel details without a ticket being paid. Some airlines may allow you to keep your reservation for free, while others may charge a little fee. We provide a true dummy ticket with a live PNR in less than 10 minutes for approximately INR 350 or $5.