Know secret of Amitabh Bachchan's fitness at the age of 77

Know the secret of legendary actor Amitabh Bachchan's fitness at the age of 77 in this special report.

Bollywood icon Amitabh Bachchan on Sunday tweeted to express gratitude to fans, well-wishers and colleagues for showering concern and prayers, after he and his family members tested Covid-19 positive.

Watch the video to know more.