Mintu Kumar Sah optimized AuditEvent indexing in the icanbwell/fhir-server repository, focusing on database indexing and performance optimization using JavaScript. He restructured the 'recorded' index key from ascending to descending order and removed several composite indexes, streamlining the indexing process to improve write throughput and reduce overhead. This technical approach enabled more scalable analytics and compliance tracing by increasing audit-logging efficiency. Throughout the month, Mintu maintained code quality and ensured traceability by aligning changes with existing QA and test protocols. His work laid a solid foundation for future indexing improvements, emphasizing maintainability and reliability without introducing new bugs.