Lallan Prasad Singh, during his time as Governor of Assam, significantly contributed to the state's progress and development. He placed a strong emphasis on education, working to enhance infrastructure and standards, and promoting higher and technical education. Singh also prioritized socio-economic growth by supporting initiatives for rural development, women's empowerment, and poverty reduction, improving life quality in rural regions. He was keen on preserving Assamese culture and heritage, and supporting cultural exchange programs. Politically, Singh played a vital role in maintaining peace and harmony, ensuring constitutional values were upheld and the administration functioned smoothly. His approachable nature and interaction with the public earned him widespread respect. Singh's tenure positively impacted Assam's development in multiple fields.