The Kanchanjunga Express is an Express train belonging to Eastern Railway zone that runs between Sealdah (Kolkata) and Agartala in India. It is currently operated with 13173/13174 train numbers on a four-days-a-week basis. It is named after the Kangchenjunga peak of the Himalayan Mountains of Sikkim which is visible from New Jalpaiguri, as previously when this train was introduced in the 1960s it was between Sealdah and New Jalpaiguri (Siliguri).