This document provides case studies for selected sections of the Indian Information Technology Act of 2000. It discusses 9 cases related to sections 43, 65, 66, 66A, 66C, 66D, 66E, 66F, and 67 of the Act which deal with offenses such as unauthorized access to computers, tampering with source code, computer-related offenses, sending offensive messages, identity theft, cheating by impersonation, violation of privacy, cyber terrorism, and transmitting obscene materials. Each case provides details of the offense, investigation, and verdict. The document is intended to help understand penalties and offenses outlined in the IT Act.