The actor, who is survived by his wife and three daughters, breathed his last Wednesday at his Jankalyan Nagar (Malad) residence. He was 70.
"He was ailing for two years, " a source close to the actor told.
Kapoor had worked in more than 500 films including "Kayamat", "Patthar ke Phool", "Qayamat se Qayamat Tak" and "Agneepath" among many others.