"He is doing well. He is much better now. He shall be discharged in a day or two," Dimple told IANS.
The 69-year-old was admitted to the Lilavati Hospital here Saturday.
He has not been keeping well for quite some time. On April 20, his manager Ashwin told IANS that the actor had stopped taking food for "three or four days".
In April, the actor was admitted to hospital after he felt uneasy and weak. He was discharged after about three days.
Dimple told IANS that "he is exhausted and a little weak" and that he doesn't have any liver infection.
Rajesh Khanna recently featured in Havell's fan new ad campaign called - Havells Fans Forever.
In 1973, he married Dimple and has two daughters with her - Twinkle and Rinkie. The two separated in 1984 and thereafter lived separately.
Their elder daughter Twinkle is married to Akshay Kumar and Rinki is married to London-based investment banker Samir Saran.