It's available for purchase both online and offline, although only select retailers have it in stock at the moment. Specifically, OnlyMobiles currently has it listed on its website for INR 47,990 (around $715), although price listed on the handset's retail box is INR 52,800 (around $787).
You pick the HTC 10 then. ;)
In practical usage HTC One X9 comes nowhere close in comparison. It feels like shit.