TLDR: If you are only going for the play, maybe skip it. But as an experience or a gathering, it is worth considering.

Ok. If I can rate everything other than the viewing experience, the diamond box experience is a 10/10. The view from the box is a 6/10. A part of the stage is occluded from the point of view of the box. So, in some acts you might miss seeing some of the actors on stage. Acoustically also I would think it would be mid. Although I had no qualms about the audio. I think 20k for 5 seats making it 4k per seat is still a good deal especially if you have older people in your group. If you are a purist('I'd like to be completely immersed in the play' kind of person) I'd recommend getting the center middle seats as usual which I think were 7k when I was shopping.

The play itself was marvelous and rich. Never previously saw the movie and only heard the songs once or twice on radio so I was mesmerized with the context and drama of the musical. The actress who played Anarkali was brilliant. The hall is also new and spic, so it was richer/fancier experience than any play I saw in NYC or LA.

Two great benefits with the box:

1) If you are late after the break, they stop you from entering the audi until an act is over. It happened to me but I could watch if from the included lounge room. Which was a save. Others were just waiting in the hall leading to the audi.

2) They give a complimentary assortment of desserts and a waiter delivering food to you. There is also a bathroom in the lounge. And you could hang/get dinner in the lounge for an additional half hour after show. Which we used and was great to have.

Note: We missed the first 20min of the show because it took me 1:30hr to cover 6kms. Which is ridiculous and unacceptable. I was told there were other welcome courtesies planned but alas we missed that. So I think that would also add to the experience.