Mourning the demise of Kader Khan, actor Amitabh Bachchan tweeted, "Sad (and) depressing news...my prayers and condolences." "A brilliant stage artist, a most compassionate and accomplished talent on film...in most of my very successful films...a delightful company...and a mathematician," Amitabh further wrote. Khan passed away at the age of 81 in Canada where he was admitted to a hospital.