Biplav Mandal enhanced lead processing reliability for the SlnkoEnergy/bacKendSlnko repository by delivering a Lead Status Management Enhancement. He refined the updateCurrentStatus middleware to improve the accuracy and flow of lead status updates, addressing deployment readiness and reducing maintenance risk. His work included updating the database connection URL and port configuration in the main index file, which streamlined environment setup for future deployments. By removing legacy, commented-out authentication logic, Biplav reduced code clutter and technical debt. He utilized JavaScript, Node.js, and Express.js throughout the project, demonstrating focused backend development within a targeted, single-feature release over the month.