Wrestler-turned-actor Dara Singh, who is known for his roles in King Kong and Faulad, suffered cardiac arrest and was admitted to a hospital in Mumbai in a "critical" condition, according to the doctors.

"He is very, very critical. He was brought in an emergency condition to hospital at 5:15 pm. He had suffered cardiac arrest. He is in ICU and we are monitoring his condition hour-by-hour," Dr Ram Narain, Chief Operating Officer at Kokilaben Ambani Hospital in Mumbai's suburban Andheri, told PTI on Saturday night.

Earlier, the 83-year-old actor's son, Vindu, had said that his father was serious.

"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," Vindu said.

The veteran actor played the the character of Hanuman in Ramanand Sagar's television series Ramayan and was last seen in Imtiaz Ali's Jab We Met in 2007.