Prashant contributed to the duplocloud/terraform-provider-duplocloud repository by enhancing the Amazon MQ resource configuration. He implemented deployment_mode as a required parameter, ensuring that users explicitly define deployment modes and thereby reducing the risk of misconfigurations during resource provisioning. This change was developed using Go and Terraform, with careful integration into the existing AWS MQ provider logic. Prashant also updated the provider documentation in Markdown to clarify the new requirement and guide users through correct usage. His work improved deployment reliability and onboarding for developers, demonstrating a focused approach to infrastructure-as-code quality and maintainability within a short project period.