Imphal, Aug 9: Regional Institute of Medical Sciences, Imphal and NSS Unit of Nehru Yuva Kendra, Imphal West organized a massive cleanliness drive at the campus of the Regional Institute of Medical Sciences Hospital, Imphal as part of fortnight observance of Swachhta Pakhwada. Director of RIMS, Imphal Prof. H. Nabachandra Singh, Medical Superintendent Prof. Ch, Arun Kumar Singh, staff of RIMS, Imphal and volunteers of NSS Unit took part in the cleanliness drive.