Veteran actor A K Hangal,98,was put on life support on Saturday after his condition worsened,doctors attending to him said. He is on life support system. One of his lungs is not functioning. He is also having respiratory problems, said Dr Vinod Khanna,orthopaedic surgeon at Asha Parekh Hospital. Hangal slipped and fell in his bathroom on August 13,fracturing his right thigh bone and subsequently hospitalised three days later. The doctors could not operate on him because of his weak condition.