Demonetization in India was one of the decision taken by Modi government which had impacted masses in India. This time however existing of social networking played a significant role to express public view on different politics activities, and organisation. In this paper, we focus on analysing and mining public review on Demonetization. There are many reasons for a country to demonetizeits currency. The main purpose behind this is to tackle the problem of corruption and black money. On 8th Nov. PM of INDIA take a decision to make India a Cashless or Digital Economy. This decision affects the economy, market and exposed the black money also. So, our aim is to analysis the positive and negative reviews of people by collecting data from twitter.