Paper Title
Analysis of Anicut

Abstract
Environmental flow describe the stream flow required to sustain upstream and downstream habitats , vegetation, human livelihoods and wild life .When natural river or tributaries are held back by weirs , anicut, barrages or dams, for a variety of purposes such as diversion for irrigation, hydropower genera- tion or flood control often the downstream flow requirement is ignored or neglected . Although there is no universally accepted definition convention flow it has been now recognized that environmental flow is essential for sustainability of riparian ecosystem and their services .this paper look at physical structures constructed across rivers with view to understand the need and requirement of structures across the river. Keywords - Optimization, Water Level, Summer Season, Environmental Flow