Farakka Barrage is a barrage across the Ganges River, located in the Indian state of West Bengal, roughly from the border with Bangladesh near Chapai Nawabganj District. Construction was started in 1961 and completed in 1975 at a cost of . Operations began on April 21, 1975. The barrage is about long. The feeder canal from the barrage to the Bhagirathi-Hooghly River is about long.