Mus cookii
Range
Southern and south-eastern Asia from India to Vietnam
Cook's mouse, Mus cookii, is a rodent of the family Muridae described by Ryley in 1914. It is found in southern and south-eastern Asia from India to Vietnam, and Wikipedia lists it among the mammals of Nepal (Wikipedia, general species account).
The source is a stub and gives no size, appearance, habitat, diet, behaviour or breeding detail (Wikipedia, general species account).