The Brahman Niviventer is a mouse recorded in rain forest in northeastern India and nearby countries. Its original description notes a reddish-brown back, pale underside, and long tail.
The original description gives a cinnamon-colored back, paler sides, and grayish-white underside. The ears are gray and sparsely furred; the long tail is dark above and lighter below.
An Indian CAMP report describes a fossorial lifestyle and records the species in rain forest. It lists a record from about 1,900 m in Arunachal Pradesh.
An extinction-risk assessment has not been added yet.