What can explain groundwater rejuvenation in Gujarat in recent years?

The groundwater build-up in recent years in Gujarat state of western India, which has been known for aquifer exploitation for many decades, had caught the attention of researchers worldwide. This article analyses the various parameters that can influence groundwater behaviour and argues that the recent water level rise in the region is due to large-scale import of surface water from the Sardar Sarovar project for irrigation along with greater rainfall. The earlier works argued that the improvement in groundwater condition is because of the massive, government-sponsored water harvesting work and the introduction of a policy to restrict power supply for well irrigation.