"If any campaign on tobacco is made, I am ready to work on it. I don't smoke, so it will be close to my heart," said the 71-year-old.
He also shared why he is closely associated to medical cause. "I've been through medical episodes throughout my career. I respect Indian doctors," said Amitabh, who was on many occasions critically ill and was treated in India. The father-in-law of actress Aishwarya Rai, who is married to Abhishek Bachchan, also said that his daughter-in-law makes sure Aaradhya, 2, gets her polio drops and other vaccines on time.