In this Indian name, the name Boban is a patronymic, not a family name, and the person should be referred to by the given name, Kunchacko.
Kunchacko Boban is an Indian film actor and producer who appears in Malayalam films. He is the grandson of producer Kunchacko, who established the film production studio Udaya Pictures.
Kunchacko Boban made his acting debut in Fazil's Aniyathipraavu which turned out to be a blockbuster and made him into an overnight superstar. Wikipedia