The Aliyar Project is a multi-purpose irrigation and hydroelectric project located in the Coimbatore district of Tamil Nadu, India. It was initiated to provide water for irrigation, improve agricultural productivity, and generate electricity. The project includes the construction of a dam on the Aliyar River, which is a tributary of the Bharathapuzha River. The project not only supports local agriculture but also contributes to the region's economy by providing hydroelectric power. The Aliyar Dam creates a reservoir that helps in water conservation and flood control, benefiting both farmers and the local community.