Supratim Chakraborty has over 20 years of working experience as an MIS-in-Charge, in Samagra Shiksha, Kolkata. He is as author of many books like Computer Application in a Nutshell Vol-1, April 2020, Amazon Kindle & Paperback), Object Oriented Programming (OOP) Tutorial- Vol 1: Basics [Java and Bluel],2020, Amazon Kindle), Learn HTML and CSS Web page design-June, 2021. In recent past, he has completed online courses like CS50’s Introduction to Cybersecurity-2024-Harvard University, Ethical Hacking Essentials - 2024, EC-Council, SQL Injection Attacks - 2024, EC-Council, Digital Forensics Essentials - 2024, EC-Council, Introduction to Soft Computing- 2020, SWAYAM, NPTEL, IIT, Kharagpur (Soft computing Related to Al-covers Fuzzy Logic, ANN, Genetic algorithm Cloud Computing - 2020, SWAYAM, NPTEL, IIT, Kharagpur, Machine Learning - 2020, Tata Steel (ML is a subset of Al). He has created websites, blogs, various useful software too. He like teaching, and he has also involved in teaching.