Which of the following is correctly matched?

To determine the correctly matched pair, let us examine each of the given options and the musical instruments associated with each legendary Indian classical musician:
1. Hariprasad Chaurasia – Sarod: This match is incorrect. Pandit Hariprasad Chaurasia is a world-renowned maestro of the Bansuri (classical Indian bamboo flute), not the Sarod.
2. Zakir Husain – Sitar: This match is incorrect. Ustad Zakir Husain is an internationally acclaimed master of the Tabla, not the Sitar.
3. Bismillah Khan – Tabla: This match is incorrect. Ustad Bismillah Khan was a legendary maestro of the Shehnai, who played a pivotal role in bringing it to the classical stage.
4. Sultan Khan – Sarangi: This match is correct. Ustad Sultan Khan was a highly celebrated classical vocalist and virtuoso player of the Sarangi, a bowed string instrument from Hindustani classical music.

Therefore, the only correctly matched pair is Sultan Khan – Sarangi.