plans to replace the tajewala barrage had been in the works since the early 1970s but an agreement between the governments of haryana and himachal pradesh (which share the water it diverts) was not made until july 1994. although the barrage was completed in late 1999, it was not operational until march 2002 because of work delays. the barrage is long and its spillway is composed of ten main floodgates along with five undersluices on its right side and three on its left. the maximum discharge of the barrage is (1 in 500 year flood).