It's attached to the wall of a photocopy shop (loosely and commonly, such a shop that makes copied is referred to as a Xerox shop in India (Xerox is a brand name). Very sweet and simple hearted shop owners! "Xeroxing" costs 50p per sheet. A phone call costs 1 rupee. About 70 rupees make a pound! Next door to this are a laundry guy, a locksmith, a party shop, and a chocolate shop.
This great payphone from India was contributed by Kaveri Singji who's local to the area. She runs a great Business for personal shopping in the city called Shopping Angels.