Dilruba for sale online, Buy a Dilruba. Dilruba is a stringed instrument. It consists of a sitar-like neck and about 20 metal frets. It also contains 4 main strings and approx. 15 sympathetic strings. Soundboard is composed of stretched goat skin and it occasionally consist of a gourd which facilitates sweetening of sound. Sound is produced when when main strings are touched with a bow and they resonate. It is mostly used as an accompanying instrument.