"Today, five years after his diagnosis, Ayaan has been declared cancer free. It has been quite a journey. Thank you for all your prayers and wishes. Love and prayers for all the cancer fighters out there. Hope and belief goes a long way. You can win this battle," he wrote.
He also uploaded a few photographs of his son along with the heartfelt post.
In 2016, Emraan also wrote a book titled "The Kiss Of Life" on Ayaan's battle with cancer.
On the work front, the 39-year-old is gearing up for the release of his forthcoming film "Why Cheat India".
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)