The document discusses the National Service Scheme (NSS), an Indian government program launched in 1969 to develop students' personalities through community service. The NSS is a volunteer student association that works to link campus communities. Both students and teachers participate jointly in community service activities as part of nation-building efforts. The document also provides tips for maintaining a clean college campus, including implementing zero waste management, greening efforts like tree planting, rainwater harvesting, preventing pollution by reducing plastic use, waste minimization, saving energy through non-conventional sources like solar, and creating cleanliness awareness among students.