Which of the following pair is incorrect?

Muthuswami Dikshitar - Carnatic Music
Sultana - Singer
Gopalakrishnan - Violinist
Nandalal Bose - Flute

The correct answer is D. Nandalal Bose – Flute.

Muthuswami Dikshitar was a Carnatic music composer. Sultana was a singer. Gopalakrishnan was a violinist. All of these are correct pairs. Nandalal Bose was a painter, not a flutist.