clipped from: www.npr.org 
Sandeep Singh says he has been forced to deepen his well, because the groundwater under his fields has been sinking as much as 3 feet every year.
They have to buy three times as much fertilizer as they did 30 years ago to grow the same amount of crops. They blitz their crops with pesticides, but insects have become so resistant that they still often destroy large portions of crops.
In India, ground zero for the Green Revolution was the state of Punjab, which borders Pakistan and the foothills of the Himalayas. And the system seemed to work miracles — for a while.
It helped India transform itself from a nation that depends on imports and food aid to a budding superpower that often exports grains.