"He is serious," the family friend of the 69-year-old, told, adding that he was rushing to his place.
Rajesh Khanna, referred to as India's first superstar, is currently at his house Ashirwad in Bandra here.
He was admitted to the Lilavati Hospital July 14 following "weakness", and was discharged Monday. His family - estranged wife Dimple Kapadia, daughters Twinkle and Rinke are by his side.
His actor son-in-law Akshay Kumar, Twinkle's husband, also rushed back from shooting abroad.
Last month, Khanna was admitted to the hospital and spent two weeks there before he was discharged.
The actor have been battling health issues since April l when he was admitted because of weakness and fatigue.
Fondly referred to as Kaka, Khanna, who featured in hits like "Aaradhana" and "Amar Prem" within the 1970s, was out of limelight for a few years. He recently acted in an advertisement.
He married Dimple Kapadia in 1973. They separated in 1984.
