"The biggest lesson we learned from this crisis is that health is the greatest gift we can save and give to each other," said Campaign Ambassador Amitabh Bachchan as he launched the eighth season of NDTV-Dettol Banega Swasth India campaign and kicked off the 12-hour #SwasthBharat, Sampann Bharat telethon. Season 8 of the campaign aims to highlight the interdependence of humans and the environment, and of humans on one another with the focus on One Health, One Planet, One Future – Leaving No One Behind.