Explanation:

- Swapan Chaudhuri: A renowned tabla player, Swapan Chaudhuri is known for his contributions to Indian classical music, playing both solo and as an accompanist.

- G N Balasubramaniam: He was a famous Carnatic music vocalist, not a tabla player. He was known for his unique style and contributions to Carnatic music.

- Tanmoy Bose: Another celebrated musician, Tanmoy Bose is a well-known tabla player, often recognized for his collaborations with other prominent artists.

- Bickram Ghosh: A versatile and popular tabla player, Bickram Ghosh has worked on both classical and fusion music projects.

G N Balasubramaniam is the correct answer. He was a vocalist, not a tabla player.