Dr. Rupak Chakravarty gave a presentation on plagiarism. He defined plagiarism as using another person's work without proper citation or acknowledgement. He discussed different types of plagiarism, both intentional and unintentional. Various software tools were presented that can detect plagiarism, including commercial tools like Turnitin that are used to check PhD theses at Panjab University. Prevention through proper citation was emphasized as the best way to avoid plagiarism.