Baiju is an Indian film and television actor best known for his character roles in Malayalam cinema. He started out in films as a child artist in 1982, in Balachandra Menon's Maniyanpilla Adhava Maniyanpilla. And has acted in more than a 100 films. He came into movie industry as child artist. Director Balachandra Menon introduced Baiju in Maniyanpilla Adhava Maniyanpilla which was released in 1982 in his age of 10. He is handling character roles and comedy roles now.B. Santhosh Kumar with the stage name Baiju hails from Thiruvananthapuram district. He married Ranjitha in 1995. The couple has a daughter, Aishwarya and a son, Lokanath.