The correct answer is (c) K. Ram Krishna Pillai.
The Swadesh Vahini was a Malayalam weekly published from Thiruvananthapuram, Kerala, India. It was founded in 1939 by K. Ram Krishna Pillai. The paper was a mouthpiece of the Swadeshi movement in Kerala. It was also a strong critic of the British Raj. The paper was banned by the British government in 1942.
C.V. Raman Pillai was a Malayalam novelist and short story writer. He is best known for his novel Indulekha.
C.N. Mudaliar was a Tamil writer and politician. He was the Chief Minister of Madras Presidency from 1937 to 1939.
C.R. Reddy was a Telugu writer and politician. He was the Chief Minister of Andhra Pradesh from 1952 to 1956.