Dara Singh admitted to hospital

The 83-year-old was admitted to Kokilaben Hospital in suburban Andheri.

"He is serious. There is blood clot in his brain or he has suffered heart attack...We are not sure what has happened. We have been told that he is under observation for 24 hours," his son, Vindu Dara Singh, told PTI.

Singh was last seen in Imtiaz Ali's hit film,