Original: Near the border with Bangladesh the Farakka Barrage, built in 1974, controls the flow of the Ganges, diverting some of the water into a feeder canal linking the Hooghly to keep it relatively silt-free.
Simplified: Near the border with Bangladesh the Farakka Barrage controls the flow of the Ganges by diverting some of the water into a feeder canal which has link with the Hooghly river to keep it relatively silt-free.