Damaru is a small two-headed drum used in Buddhism as well as Hinduism. The delightful Damaru is used for tantric practices. According to Hindu mythology, the voice of the Damaru depicts the voice of the creation of the world. Damarus are played today during meditation as its voice helps our soul to achieve inner peace.
Dhangro (Dangro) is a type of drum that is a little bigger and rounded version of the Damaru. It comes with a holder hence it a little comfortable to hold comparatively.