Alagappa University is a state university headquartered at Karaikudi in Sivaganga district, Tamil Nadu. It grew from the educational institutions founded in the Karaikudi region by philanthropist Dr. R. M. Alagappa Chettiar and was established by the Tamil Nadu Legislature in 1985. The university began as a unitary institution and later became an affiliating university in 2002, adding responsibility for colleges in its regional jurisdiction. Its academic organization spans arts, science, education, management and interdisciplinary fields through university departments, centres and affiliated institutions. The campus at Karaikudi provides the principal base for teaching, research, administration, student services and academic support, while the university also works with a broader affiliated-college network. A distinctive feature of Alagappa University is its combination of campus-based programmes with distance, online and collaborative education, allowing different modes of access within the same institutional framework. Research and postgraduate education are central to the university’s academic profile, supported by discipline-specific laboratories, centres and doctoral programmes. Its history also reflects a strong connection with the educational legacy of Alagappa Chettiar, whose institutions in the region pre-dated the university and helped create the local academic ecosystem from which it emerged. The university’s development as an affiliating institution widened its role from managing its own departments to coordinating standards and degrees across associated colleges. It has also pursued institutional quality systems and received national recognition through accreditation and university-category classifications. In 2017, it received an A+ grade in the third cycle of NAAC accreditation, and in 2018 it was placed in Category I by the University Grants Commission. The same year, it received major RUSA 2.0 support for quality enhancement. Alagappa University therefore combines a regional public-university role with multidisciplinary teaching, research, digital and distance education, and an affiliating function rooted in the educational development of Karaikudi and southern Tamil Nadu.