The research is conducted based on the primary data available on the data portal which is gathered from different sources of the Government and the Private. There have been several efforts for analyzing and predicting future COVID-19 cases based on primary data. The present study is based on an inferential methodology which is one of the most widely used data science techniques in the study of events like COVID-19 time-series analysis. Analyzing and predicting the COVID-19 cases in upcoming months utilizing SIR, ARIMA models, and forecasting. The implementation of the proposed approach is demonstrated on real-time data of districts in Tamil Nadu. The current work serves to be of great importance in the prediction of the COVID-19 crisis in day-to-day life.