Q. Which river acts as the dividing line between the Barind and Diara regions in Malda district of West Bengal?
Answer:
Mahananda River
Notes: The Mahananda River, a Ganges tributary, separates Malda into Barind (east, infertile) and Diara (west, fertile). Originating in Darjeeling, it flows through Bihar and West Bengal before joining the Ganges in Bangladesh. Major tributaries: Balason, Mechi, Kalindri. Drainage covers 20,600 sq km.