Dr​ Vishal Rao, a Bangalore based oncologist, has developed a voice prosthesis that can help throat cancer patients speak after surgery. And unlike the extremely expensive ones available in the market today, this device will cost just Rs. 50. Dr. Vishal Rao is a Bangalore based oncologist. He has trained in Oncology at one of the most prestigious cancer institutes of India, the Tata Memorial Hospital at Mumbai. He is also a Visiting Scholar at the Department of Otolaryngology in the University of Pittsburgh School of Medicine He developed a voice prosthesis for throat cancer patients that costs less than a dollar and is the cheapest in the market. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at www.ted.com/tedx