Railways and highways are a major source of wildlife mortality throughout the world. Railways also cause direct loss of habitat, degradation of habitat quality, habitat fragmentation, population fragmentation/ isolation and reduce access to vital habitats. In India also, a large number of wild species are being killed annually due to railways and highways. The state of Assam along with Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland and Tripura comprises the North-east India (between 21