Rohan Bhansali enhanced NPM dependency detection in the microsoft/component-detection repository by refining transitive dependency calculations and addressing duplication issues in parent-dependency pairs. Using C# and leveraging skills in dependency management and unit testing, he introduced logic to handle circular dependencies and updated the detector version to reflect these improvements. Rohan also strengthened test assertions to reduce flakiness and ensure reliability under complex dependency graphs. His work resulted in more accurate mapping of transitive dependencies, reducing noise from duplicates and enabling better risk assessment and inventory management for downstream consumers. The depth of these changes improved both test coverage and detection accuracy.