What category of music instrument is Vidushi Shashikala Dani the only All India Radio an exponent of?
Shashikala Dani:  She is one of the few artists and presently the only All India Radio graded female exponent of a unique Indian instrument, Jaltarang (Kannada: ಜಲ ತರಂಗ, ""  |Hindi: जल तरंग, ""  ). Jal tarang: The jal tarang (Hindi: जल तरंग, Urdu: ‎ , ] ), Tamil: ஜலதரங்கம் , jaltarang, jal-tarang, jal-yantra, jalatarangam or jalatharangam is an Indian melodic percussion instrument.
i don't know