<b>A Review on Credit Card Default Modelling using Data Science</b> In the last few years, credit card issuers have become one of the major consumer lending products in the U.S. as well as several other developed nations of the world, representing roughly 30 of total consumer lending USD 3.6 tn in 2016 . Credit cards issued by banks hold the majority of the market share with approximately 70 of the total outstanding balance. Bank’s credit card charge offs have stabilized after the financial crisis to around 3 of the outstanding total balance. However, there are still differences in the credit card charge off levels between different competitors. 22-28 International Conference on Advances in Engineering, Science and Technology – 2021 Special Issue Harsh Nautiyal | Ayush Jyala | Dishank Bhandari