requires to ensure
that all water bodies have good ecological status by 2015. In
many areas of the world rainfall is the main source for
water. The rainfall is not reliable in general and it has
become highly unpredictable with changing global climate.
Hence, the water scarcity problems are getting more serious
because of reduced rainfall, higher need for fast growing population, exhaustive depletion of water resources, and a
missing legal framework for water management. Some
researchers have discussed the issue of water scarcity