On 17 March 2018, Faculty of Graduate Studies, held "Big Cleaning Day" activity. Assoc. Prof. Dr. Varaporn Akkarapatumwong, the Deputy Dean for Academic Affairs, led the activity. This activity aimed to clean and make sure of the workplace's hygiene as a part of the faculty's relationship building, and refresh as well as build the relationship in the faculty. In the end of this activity, Assoc. Prof. Dr.Sunee Kanyajit, the Deputy Dean for Administrations, gave some souvenirs to the officers who joined this activity.