Sand mining is a practice, that is used to excerpt sand, mainly from quarry/ open pit. Sand is extracted from beaches, inland dunes, and mined from ocean beds and river beds. The excessive mining of river bed, to encounter the increasing demand for sand in construction industry, has led to the ecological imbalance in nation. Environmentalists have raised public awareness of illegal sand mining in India, especially in Tamil Nadu. Indian court has been ordered to band river sand, as sand mining affects environment and change the river direction. So, Government has put ban on mining sand from River bed. The Construction Industry started using the Manufactured Sand (M-Sand) to full degree as substitute; reduce the impacts on environment by not using the natural sand. This paper deals with the case study of Illegal sand mining in Tamil Nadu, and provides the alternate solution to use M-sand, by partial/ full replacement of natural sand by reviews. © TJPRC Pvt. Ltd.