Sanjay Karumanchi worked on the os_visualiser repository, focusing on improving the accuracy and reliability of contributor information within the project’s documentation. He addressed a metadata issue by correcting an incorrect contributor name and roll number in the About page, ensuring that project credits were both accurate and trustworthy. Using HTML and documentation best practices, Sanjay maintained codebase stability by implementing a targeted, low-risk fix and providing clear commit messages linked to the update. His work did not involve new feature development but demonstrated careful attention to detail and version control discipline, contributing to a more credible and user-friendly project presentation.