The correct answer is A. K. Balachander.
K. Balachander was an Indian film director, screenwriter, producer, actor, and playwright. He was known for his work in Tamil cinema, and is considered one of the most influential filmmakers in the history of Indian cinema. He was awarded the Dadasaheb Phalke Award, India’s highest award in cinema, in 2010.
B. D. Ramanaidu was an Indian film producer who worked in Telugu cinema. He was the founder of the Ramanaidu Studios, one of the largest film studios in India. He was awarded the Dadasaheb Phalke Award in 2002.
Adoor Gopalakrishnan is an Indian film director who works in Malayalam cinema. He is considered one of the most important filmmakers in Indian cinema. He has won the Dadasaheb Phalke Award twice, in 1992 and 2005.
V. K. Murthy was an Indian film director, screenwriter, and producer who worked in Kannada cinema. He was the founder of the V. K. Murthy Productions, one of the largest film studios in Karnataka. He was awarded the Dadasaheb Phalke Award in 1997.