When it comes to visa, immigration, and return applications, a dummy Indigo airline ticket is a valid document. It is a legitimate document for a variety of uses, such as immigration, proof of return, and visa applications. By choosing Manage My Booking or Manage My Trip on the airline's website, you can see a live PNR. In essence, an unpaid hold ticket is a dummy ticket purchased online. In less than 10 minutes, a dummy ticket flight may be purchased for just INR 350 or $5.