Explanation:

- Option 1: Tabla

- Ustad Allah Rakha was renowned for his exceptional skills in playing the tabla.

- He contributed significantly to popularizing the tabla on the global stage.

- Allah Rakha often collaborated with other famous musicians, showcasing his exceptional talent.

- Option 2: Sitar

- The sitar is a plucked string instrument chiefly used in Indian classical music.

- Famous sitar players include Pandit Ravi Shankar, not Allah Rakha.

- Option 3: Sarod

- The sarod is a stringed instrument played with a plectrum.

- Known players include Ustad Amjad Ali Khan, but not Allah Rakha.

- Option 4: Bansuri

- The bansuri is a bamboo flute known in Indian classical music.

- Pandit Hariprasad Chaurasia is a well-known bansuri player.

Correct Answer: ?? Option 1: Tabla