This document discusses plagiarism, tools to detect it, and how to avoid it. It defines plagiarism as taking others' words and passing them off as one's own without proper citation or attribution. Plagiarism can occur through directly copying text, failing to cite sources, or close paraphrasing without attribution. The document then describes several free and commercial plagiarism detection tools like Turnitin and Urkund. It outlines provisions in India's UGC Act related to plagiarism checks and exclusions. Finally, it provides tips for avoiding plagiarism, such as thorough research, minimal copying, using citations and references, developing an original writing style, and utilizing plagiarism checkers.