"He is unwell, and at home. He has stopped food intake for three to four days. Dimpleji is continuously by his side and his daughter Rinke also visited today," the actor's manager Ashwin told PTI.
The 69-year-old separated from Dimple Kapadia in 1982 and they have two daughters Twinkle and Rinke.
Earlier in April, Khanna was admitted to hospital following uneasiness and weakness.
The veteran actor, considered Bollywood's first superstar, has acted in over 150 films.
Fondly called 'Kaka' by his fans, Khanna ruled the industry in the 1960s and 1970s with films like "Aaradhana", "Anand" and "Bawarchi".
