Veteran actor and screenwriter, Kader Khan was reported to have died, but his son Sarfaraz Khan has rubbished all such rumors. He told media that Kader Khan has been admitted to a hospital in
Canada.

(Courtesy: Zee News)
The 81-year-old actor is suffering from Progressive Supranuclear Palsy, which causes loss of balance, difficulty in walking, and dementia.
As far as your question is concerned, his condition is quite critical but everyone out there is praying for his well-being. Amitabh Bachchan published an emotional tweet for him:
Ravina Tandon, who has worked very closely with him, also shared her condolences.