Senthil contributed to the KB-iGOT/sunbird-devops repository by implementing graceful shutdown support across multiple Kubernetes deployments and services. He addressed the challenge of abrupt container termination during updates by adding preStop lifecycle hooks to deployment YAML manifests, ensuring containers have time to shut down cleanly. This approach improved deployment reliability and user experience during scaling and maintenance windows. Senthil’s work focused on containerization and DevOps practices, leveraging Helm and Kubernetes to enforce deployment hygiene. Over the course of the month, he delivered a targeted feature that enhanced operational safety, demonstrating depth in orchestrating service availability through infrastructure-as-code techniques.