No need to XGS-PON for average customer in India. It will only needful for multi-billionaire MNCS and high capacity for data centers. It truth world already adopt this system, but there having their own high taxes and plans for customers. They having multiple options and their offering is like VIP services.
For India, Our ISP are far better as atleast they have prices are acceptable in those arears, where broadband can reach only by govt or local players neither private isp like jio, airtel, tata sky fiber are ever think to start their business.
Competitions kills other's competitions. Companies business to make profits not for loss. This is main reason prices are quite similar in India.