Deep Singhal developed two core features for the FRRouting/frr and LabNConsulting/frr repositories, focusing on network troubleshooting and BGP performance. He implemented the 'show ip route failed' command in C, enhancing visibility into FIB installation failures and streamlining troubleshooting for network administrators. In a separate effort, he delivered a configurable advertisement delay for the suppress-fib-pending feature in BGP, replacing a hardcoded delay with a flexible CLI parameter to support lower-latency deployments. His work spanned core modules, documentation, and comprehensive testing, demonstrating depth in C programming, network protocol design, and cross-module integration, with a strong emphasis on maintainability and deployment flexibility.