There is also evidence of a steady shift in the course of the river since prehistoric times – it deviated westwards from flowing into the Rann of Kutch and adjoining Banni grasslands after the 1816 earthquake.
Tamén hai evidencias de cambios constantes no curso do río desde a prehistoria —desviouse cara ao oeste desde a desembocadura no Rann de Kutch e xunto ás praderías de Banni despois do terremoto de 1816.