Actor Anil Kapoor discloses that he initially agreed to be part of "Dil Dhadakne Do" when Ranbir Kapoor was cast as his on-screen son. However, Ranveer Singh later replaced Ranbir in the role. Kapoor shares insights into the casting changes, shedding light on the dynamics during the film's pre-production phase. The revelation adds an interesting twist to the film's behind-the-scenes journey and casting decisions.