The correct answer is Tambura.
Tambura is a long-necked, fretted string instrument that is used in Indian classical music. It is typically made of wood and has four strings, which are plucked with the fingers. The tambura is used to provide a drone accompaniment to other instruments, such as the sitar and the tabla.
Tumadi is a folk instrument from the Indian state of Rajasthan. It is a double-headed drum that is played with the hands. The tumadi is used to accompany folk dances and songs.
Sarangi is a bowed string instrument that is used in Indian classical music. It is typically made of wood and has four main strings, which are bowed with a horsehair bow. The sarangi is also used to accompany folk music and dance.
Dholak is a double-headed drum that is used in Indian folk music and dance. It is typically made of wood and has a leather head on each side. The dholak is played with the hands and is used to provide a rhythmic accompaniment to other instruments and singers.
In Pandwani performances, the tambura is often used to provide a drone accompaniment to the singer. The tambura’s drone helps to create a sense of atmosphere and mood in the performance.