This document summarizes key sections of the Information Technology Act 2000 of India related to cyber crimes and offenses. It provides:
1) An overview of cyber crimes and how they are defined in a narrow and broader sense under the IT Act.
2) Summaries of specific sections of the IT Act that outline penalties for offenses such as unauthorized access to computers, computer contamination, tampering with computer source documents, and transmitting offensive content.
3) Descriptions of relevant case studies that demonstrate how various sections of the IT Act have been applied and interpreted in court rulings related to cyber crimes.