Explanation:

- Shiv Kumar Sharma is renowned for his contribution to the Santoor, a traditional Indian string instrument.

- The Dholak is a popular percussion instrument used in South Asia, often seen in folk and traditional music.

- Nadaswaram is a classical wind instrument from South India, considered auspicious and is often played at weddings and temples.

- The Sitar is a stringed instrument widely associated with classical Indian music, famously played by musicians like Ravi Shankar.