On 6^th April, 2023, Mr. Lalsiamthanga, Principal of the college kick off MISSION KATHAROS (A Mission of Clean Hnahthial College). The program was organized by Sanitation, Cleanliness & Beautification Cell and Institutional Values and Best Practices Cell. The program was chaired by Mrs. Lalnuntluangi, chairman of Sanitation, Cleanliness & Beautification Cell. The awareness program was also conducted on Cleanliness under Mission Katharos. The presentation was given by Dr. Lalrinpuia Vangchhia, Secretary of Institutional Values & Best Practices Cell. A total of 150 students and 11 staff of the college attend the program. Mass cleanliness work was followed after the program was over. All the building inside and outside, toilets, fans, tables, etc. were cleaned by female students with their faculty in charge. The surrounding campus approximately 2 hectares of land had been cleaned by male students with their respective faculty in charge. Refreshments had been served to all individuals at 2:30 pm.