The deceased´s brother Ghanashyam Rijal said she was hit by a car at Rock Mountain city.
Subedi´s husband Dr Phul Prasad Subedi teaches at a university there.
Subedi was living with her husband, a son and two daughters in Australia.
The protest came after the Prime Minister failed to appear in the HoR, where he was expected to respond to lawmakers’ questions on the government’s policy and programme.