Divin Raj worked on the zephyrproject-rtos/zephyr repository, focusing on improving memory protection for embedded systems by refining MPU configuration for platforms without flash memory. Using C and leveraging expertise in device drivers and memory management, Divin implemented conditional compilation to ensure the FLASH_MPU_REGION definition is included only when CONFIG_FLASH_SIZE is present. This approach prevented build-time and runtime errors on flash-less hardware, enhancing portability and maintainability across diverse platforms. By validating changes on the fvp_aemv8r platform and consolidating conditional code paths, Divin enabled smoother onboarding of new boards and contributed to broader Zephyr adoption in embedded environments.