NSS Hindu College, Changanassery is one of the oldest and largest institutions of higher education of Nair Service Society (NSS) was established in 1947 by Indian social reformer and freedom fighter Sri. Bharatha Kesari Mannathu Padmanabhan and is located on par with NSS Central Headquarters at Perunna, Changanassery. It is one of the sixteen Arts and Science colleges under the NSS and is the very first in terms of establishment. The college is affiliated to Mahatma Gandhi University, Kerala and is re-accredited by National Assessment and Accreditation Council (NAAC), an autonomous body of UGC with "A" grade. Its academics is a conglomerate of 14 Undergraduate, 11 Postgraduate and 10 Doctoral programmes over various disciplines of Arts, Science and Commerce.

Changanassery, also spelt Changanacherry, is a municipality in Kottayam district in Kerala, India. It is also the headquarters of the Changanassery Taluk. The town is spread over an area of 14.3 km2 (5.5 sq mi) and has a population of 47,685. Changanassery is located 17 km (11 mi) south of the district headquarters Kottayam and 117 km (73 mi) north of the state capital Thiruvananthapuram.