Analysis of information sources in references of the Wikipedia article "Damaru" in English language version.
Classification (Sachs-Von Hornbostel revised by MIMO) 212.241 membranophone--individual hourglass-shaped rattle drum (the drum is shaken; percussion is by impact of pendant or enclosed pellets, or similar objects)
2 Membranophones The sound is excited by tightly stretched membranes; 21 Struck drums The membranes are struck; 212 Rattle drums (sub-divisions as for drums struck directly, 211) The drum is shaken; percussion is by impact of pendant or enclosed pellets, or similar objects India, Tibet; 212.2 Tubular rattle drums; 212.21 Cylindrical rattle drums; 212.24 Hourglass-shaped rattle drums; 212.241 Individual hourglass-shaped rattle drums
