Sisters Hema Sunil Amin, left, and Hemangini Jitendra Patel went missing in Nepal floods. (Phoro: BBC) Tulshi Patel, a Pharmacist from Milton Keynes, England, has been looking for her mother, Hemangini Jitendra Patel, and her aunt, Hema Sunil Amin, who went on a pilgrimage to Tibet. Patel last spoke to her mother and aunt on Monday, received a photo of them on Tuesday and their last known location came from a GPS signal from the tour group at a place called Friendship Bridge at the Nepal-China border. The two women have not been traced since the deadly flood but Patel…