The issue of declining net sown area (NSA) has been highlighted as a major
concern for Indian agriculture in recent years. According to the Food and
Agricultural Organization (FAO) of the United Nations, about 59.2 million ha of land had degraded in India by 2003
The research account by Garg and Hassan on water scarcity in India is based on the tables and figures of the Central Water Commission (CWC), Central Ground Water Board (CGWB) and National Commission on Agriculture (NCA) which were published during 1976
The two most important hydrological extremes are floods and droughts. These events pose serious hazards to human populations in many parts of the world. These water related disasters are caused because of large diversity in climate and topography of the country. Climate change in future is expected to have severe implications on river flows in South Asia including India. Global climate change is likely to result in severe droughts and floods in India, with major impacts on human health and food supplies.