A dummy ticket is a valid document that can be used for visa applications, immigration, and proof of return, among other things. You can view the airline's live PNR by choosing Manage My Booking or Manage My Trip on their website. It has all the required details, such as the ticket itself, the travel schedule, the date of departure, the passenger's name, contact details, and the PNR.
For about INR350/$5, you may get a validated dummy ticket in less than 10 minutes.
Right now, receive dummy ticket by going to https://www.airdummyticket.com/