Gyan Prakash contributed to the calcom/cal.com repository by delivering an accessibility-focused enhancement for the video call microphone toggle. He improved the visibility and usability of the microphone toggle within the mic settings, addressing a critical user experience issue that previously caused confusion during video calls. His approach included UI theme harmonization and import refactoring to ensure a consistent interface across devices. Working primarily with React, JavaScript, and TypeScript, Gyan maintained a lean and well-documented codebase. The work demonstrated a focused engineering effort, addressing both accessibility and interface consistency while collaborating effectively through a single, well-structured commit co-authored with a teammate.