During July 2025, Nithin focused on enhancing the reliability of the microsoft/DiskANN repository by addressing a critical edge case in its partitioning logic. Working in C++ and applying skills in algorithm optimization and code refactoring, he implemented a targeted bug fix to ensure that the k_base parameter in partition_with_ram_budget could not exceed the number of available partitions. This change prevented potential runtime errors under constrained RAM budgets and improved the overall robustness of the system. Although no new features were released, Nithin’s work contributed to the maintainability and stability of DiskANN’s core behavior in resource-limited environments.