Shukla was best known as the winner of the 13th season of hit reality TV show Bigg Boss, and as the lead actor in the Indian drama series Balika Vadhu.
The Balika Vadhu actor had a large social media following, including on Twitter and Instagram.
Actor and reality TV star Sidharth Shukla has died of a heart attack at the age of 40.
A doctor at Mumbai’s Cooper Hospital confirmed the actor’s death to The Indian Express newspaper.