Piyush Agarwal (born on December 31, 1993) Hazaribagh, Jharkhand innovated Prevenwet, a machine which prevents the clothes on a clothesline from getting wet in rain. He started the research and innovation from March 2009 and concluded on September 30, 2009. He was felicitated for his achievement by India Book of Records on February 27, 2013, at Record Breakers’ Festival, at Indira Gandhi Kala Kendra, Noida (U.P.).