The 48-year old "Airlift" star tweeted a picture of PM Modi sharing a light moment with his son.
"Proud moment in a father's life, when the Prime Minister pulls your son's ear in jest & calls him a good boy," Akshay wrote.
Calling it a "big moment," his wife actress Twinkle Khanna retweeted the picture.
"When a picture is truly worth a thousand words.. #BigMoment," she wrote.
The photo was clicked at the International Fleet Review in Vizag.
Image: Actor Akshay Kumar tweeted this picture of the prime minister pulling his son's ear. Photograph: Akshay Kumar/ Twitter