Veteran Bollywood actor Kader Khan’s health has reportedly worsened, after complaining of breathlessness. He has been shifted to a BiPaP ventilator. The 81-year-old actor has been staying with his son Sarfaraz and daughter-in-law Shahista in Canada since a few years now. Khan reportedly underwent a successful knee surgery recently, but still had some difficulty in walking. He has a Progressive Supra nuclear Palsy (PSP) condition, which involves slow deterioration of specific volumes of the brain. Kader Khan is known for his performance in films like ‘Hero No 1’ and ‘Judwaa’ among many others. He has also been a screenplay and dialogue writer for many hit films.