First-come-first-serve is overrated and unfair when it comes to online platforms. They devolve to a lottery that is won by whoever gets their request into the server first. Lotteries that are intended to be such are a fair and equitable way to distribute the right to purchase tickets at below-market rates. It gives you a built-in waitlist too: if you can’t go, tickets are refunded and distributed to the next potential buyer until an actual buyer is found.
If you're writing for an audience outside of India you might want to explain what ₹9 lakh equates to, as both the value of ₹1 and the magnitude of the lakh are probably unfamiliar.<p>(Apparently that's 9x10^5 INR, or in the neighborhood of 10,000€ or $10,000. If you're curious about this system of naming and writing numbers used in India and other countries in the region, <a href="https://en.wikipedia.org/wiki/Lakh" rel="nofollow">https://en.wikipedia.org/wiki/Lakh</a> and <a href="https://en.wikipedia.org/wiki/Indian_numbering_system#Use_of_separators" rel="nofollow">https://en.wikipedia.org/wiki/Indian_numbering_system#Use_of...</a> will get you started)
Us tech people being tech people, we look at this as a systems design problem but no one seems to be considering what conditions lead to such massive demand for this show in particular. I can bet inadequate supply in general is a major cause, part of which is regulatory issues and red tape.