The new devices will be available in the Apple India Online Store, its own-branded retail stores in Mumbai and New Delhi, as well as other authorized Apple retailers.
source https://zeenews.india.com/technology/preorders-for-new-iphone-15-series-watches-now-live-in-india-2663049.html
source https://zeenews.india.com/technology/preorders-for-new-iphone-15-series-watches-now-live-in-india-2663049.html