The "Khiladi" star on Saturday took to Twitter, where he shared a photograph of Modi pulling his 13-year-old son's ear. He captioned the image: "Proud moment in a father's life, when the Prime Minister pulls your son's ear in jest and calls him a good boy."
Aarav is the son of Akshay and former Bollywood actress Twinkle Khanna, who is now an entrepreneur and a columnist.
The star couple also has a daughter named Nitara, who was born in 2012.
On the film front, Akshay is being lauded for his latest release `Airlift`, which revolves around the evacuation of Indians from Kuwait during the 1990 Iraq-Kuwait war.