The Sarda Sahayak Irrigation Project uses the combined flows from the rivers Ghaghara and Sarda in the Girija Barrage built across the Ghaghara river below a catchment area of . This barrage is situated about downstream of Khatria Ghat Rly station and from the international border to Nepal in Bahraich district. It is linked to the Lower Sarda Barrage (built across the Sarda river, with a catchment area of , about northeast of Lakhimpur Kheri Rly station in Lakhimpur Kheri district) via a link canal from Girija Barrage to the Lower Sarda Barrage which is long and is designed to divert a discharge of from Gandak to Sarda river.