New Delhi, Sept. 21 -- Amitabh Bachchan recently welcomed Raghvendra Kumar aka 'Helmet Man of India,' on Kaun Banega Crorepati (KBC) Season 17. Talking about it, he opened up about road safety on his blog. In a heartfelt note, he called him 'selfless human' for his contributions.

Kumar appeared on the Heroes on the Floor segment of the show.

He has been promoting road safety for years, giving out helmets to two-wheeler riders who don't have them. He also appeared on Indian Idol to raise awareness about road safety and the importance of helmets.

". but a learning of each day is one that gives impetus to the World and the being of the human ..in the story of Heroes on the floor, is invited the Helmet Man ..A selfless human who contribute...