ECO-SCOPE BIHAR Ground water: the most vital resource for Bihar Prof Ashok Kumar Ghosh By Prof Ashok Kumar Ghosh In the final decades of the last century, advances in water well technology and hydrogeological knowledge facilitated a massive expansion in ground water use across the developing world – especially in Asia. Ground water became of major importance for supplying the growing population (about 2 billion in urban areas alone) and the expansion of industrial enterprises, and also for providing irrigation for both staple and cash crops (globally to more than 40 % of irrigated land) The...