Tarun Gupta worked on the kubecost/cost-analyzer-helm-chart repository, focusing on improving the reliability of Grafana dashboards by addressing a bug related to Prometheus datasource connectivity. He implemented conditional logic in YAML within the Helm chart templates to ensure the correct Prometheus URL is selected based on global enablement settings. This change restored consistent data retrieval for cost analytics dashboards, aligning them with the intended global configuration. Tarun validated the updates to confirm accurate data flow and documented the solution for release. His work demonstrated practical application of DevOps principles and Helm Charts expertise, delivering a targeted fix with clear technical depth.