October 15th is celebrated as the Global Handwashing day. Washing hands and keeping it clean is one of the most important steps a person can take to avoid falling ill and spreading germs to others. As part of the NDTV Dettol Banega Swachh India campaign, NDTV spoke to Parameswaran Iyer, Secretary, Drinking Water and Sanitation about how hygienic practices like washing hands is making India Swasth.