Answer
Krushna Abhishek replaced Sidhu in The Kapil Sharma Show after Sidhu quit the show due to a dispute with Kapil Sharma. Sidhu had been a regular cast member of the show since its inception in 2013, but he left in 2016 after a public feud with Kapil. Krushna Abhishek joined the show in 2016 and has since become one of its most popular cast members.