Gagan's response closely aligns with the benchmark response, demonstrating a structured approach to developing use cases for a retail IT solution. He mentions gathering requirements through stakeholder interactions and creating detailed scenarios, which shows a good understanding of the process. Additionally, Gagan discusses validating use cases with stakeholders and using tools like JIRA or Confluence for documentation, which is relevant and demonstrates applied experience. However, the response could have been enhanced by mentioning specific challenges faced and how they were addressed, providing deeper insights into his problem-solving skills.