The blind struggle through Delhi's congested streets Tapping his white cane, Vinod Kumar Sharma spends four hours a day running the gauntlet of crowded trains and New Delhi's congested, potholed and often pavement-less roads. Sharma is one of an estimated 63 million visually impaired people in India, according to the World Health Organization. Of those, some eight million are completely blind -- around 20 percent of the global total.\\n IMAGES AND SOUNDBITES