During March 2025, Krishan focused on backend development and validation logic within the apache/pinot repository, addressing a critical issue affecting scheduled task reliability. He fixed the Minion Instance Tag Validation, ensuring that minion instances with the required tags are available before task execution, which prevents failures and reduces downtime. His approach involved refining the validation logic in Java, enhancing error messages for better debuggability, and adding targeted tests to cover new validation scenarios. This work improved configuration management and observability around task scheduling, resulting in more robust and reliable Pinot scheduled tasks. The depth of validation improvements strengthened overall system stability.