There are two actors named Kunal who are known in the entertainment industry. Here are the details of what happened to each of them:

1. Kunal Singh: Kunal Singh was an Indian actor who mainly appeared in Tamil films. He was born on September 29, 1976, in Haryana, India. Kunal was found hanging from the ceiling in his Mumbai apartment by actress Lavina Bhatia on February 7, 2008. The apparent suicide was challenged by his father Rajendra Singh who claimed that the body showed signs of suspicious bruising. Bhatia was detained by police in connection with his death, but she was later released after the police could not prove a motive. The police were unable to prove that anyone was present in Kunals apartment at the time of his death and ruled out Bhatia as a suspect.

2. Kunal Nayyar: Kunal Nayyar is a British-Indian actor who is best known for his role as Raj Koothrappali in the popular American sitcom "The Big Bang Theory." After the show ended, Nayyar played Youssef Zidan, an Iraqi terrorist, in one episode in Season 4 of the show. He has also been involved in other projects since the show ended, but there is no information available on any major events or incidents in his personal or professional life.