The article discusses using treated Greywater to help meet the demand for freshwater in high-rise buildings. Greywater is a good alternative because it is easy to treat and available all year round. While Greywater has low chances of having harmful microbes, it is important to check for them and reduce any risks before reusing it. The paper also suggests steps to encourage the reuse of Greywater in India and emphasizes the need to raise awareness to improve public acceptance of treated Greywater.