 Subsequently, he worked under Dharma Productions, the production house of the late Yash Johar, father of Karan Johar.Advani started his career by assisting Saeed and Aziz Mirza in directing Naya Nukkad.Then, he was an assistant director, and assisted Karan Johar in his first two directorial projects, "Kuch Kuch Hota Hai" (1998) and "Kabhi Khushi Kabhi Gham".