Machine learning (ML), an integral part of artificial intelligence (AI), has emerged as one of the most important technologies in today’s world. AI has the potential to make decisions like humans and consists of standard rules encoded in the form of computer programs. Computers and computational techniques are included in the central field of computer science. The ML algorithms learn from the processed data and build predictions on that data. In the realistic scenario, supervised learning is applied for different applications such as classification of images, fraud detection, assessment of risk, prediction of the score, spam email detection, etc. In an unsupervised learning technique, algorithms learn from simple examples and do depend on certain related responses. An algorithm itself determines the insight and hidden patterns from data. It is the same as a human control system to learn newer things.