 Groundwater tables are falling in many areas of the country, from around 20 cm per year in Punjab to 3 to 5 metres per year in parts of Gujarat.The medium to long-term risks to agriculture in such a scenario range from an eventual decline in water resources, to the intrusion of salt-water in coastal areas.As groundwater tables drop, the pumping of groundwater from deeper and deeper wells requires an ever-increasing amount of electricity.