The species is endemic to the Western Ghats of India.

The specific name, prashadi, is in honor of Indian zoologist Baini Prashad (1894–1969).

[2] H. prashadi is found in India (former Bombay Presidency).

Type locality: "neighbourhood of Jog, N. Kanara district, Bombay Presidency".

[3] The natural habitat of H. prashadi is forest at altitudes of 15–1,500 m (49–4,921 ft).