He presented compelling documentary evidence in Parliament asserting India's claim over Kachchatheevu, vehemently opposing its cession to Sri Lanka and articulating the potential repercussions of such an action.
During the Emergency period under Prime Minister Indira Gandhi, S.M.Muhammed Sheriff served as an advisor to the governor on legislative matters in Tamil Nadu, showcasing his commitment to public service even in challenging times.
Abdul Samad Sahib, EM.Nagore Haniffa, BS Abdur Rahman, Sayyid Abdur Rahman Bafaqi Thangal, C. H. Mohammed Koya, Panakkad Shihab Thangal and Justice Basheer Ahmed Sayid He was celebrated for his powerful oratory in multiple Indian languages and played a pivotal role as the Propaganda Secretary of the IUML, bolstering the league's grassroots engagement and spirit.
Recognized for his integrity, simplicity, philanthropy and commitment to secular values, S.M.Muhammed Sheriff remains an enduring symbol of leadership and service in Tamil Nadu's political landscape.
Beyond politics, S.M.Muhammed Sheriff was deeply engaged in social activities, including organizing reading rooms for village upliftment, promoting adult education and fostering communal harmony.