New Delhi, Sept. 16 -- Veteran actor Amitabh Bachchan has once again spoken candidly about his long-standing health challenges, including his battle with hepatitis and tuberculosis.

During a past episode of Kaun Banega Crorepati (KBC), Bachchan shared that he contracted hepatitis B due to a blood transfusion following his near-fatal accident on the sets of the 1983 film 'Coolie'.

"In 1982, during the accident, I needed a lot of blood, nearly 200 people donated, and there were 60 bottles. And amongst them was one person who was carrying the Hepatitis B virus, which wasn't detected," he told a contestant.

"This entered my body. This happened in 1982. And in 2005, during a general investigation, it was detected. 75% of my liver has been d...