Recommendation systems are a technology playing a crucial role in building a strong relationship between the business and users. They help users by predicting the products they need and also adds value to the business by increasing the sales of their products. There are many algorithms that enable recommendations to users. As a whole, they can be categorized into - Collaborative and Content-Based techniques. There is a variation of the recommendation system that recommends users regularly with the same item after certain intervals of time based on the frequency of the items bought. This kind of recommendation system is called the Periodic Recommendation System.