Amitabh Bachchan suffers knee injury during filming: What happened to 83-year-old actor?

Amitabh Bachchan suffers knee injury during filming: What happened to 83-year-old actor?Amitabh Bachchan has sparked concern after sharing a health update during the latest episode of Kaun Banega Crorepati 18.The veteran actor, who usually kicks off every episode with high energy, revealed…