 Three years later, the Government of India included him the 1974 Republic Day Honours list for the third highest civilian award of the Padma Bhushan.After his death in 1982, Vallabhbhai Patel Chest Institute renamed the main hospital complex as "Viswanathan Chest Hospital" in honor of its founder director.National Conference on Pulmonary Diseases (NAPCON) has instituted an annual oration, "Prof. Raman Viswanathan Memorial Chest Oration", in his honor; the 2015 lecture was delivered by noted pulmonologist, S. K. Katiyar.