Answer : Satya mangalam

Indira Gandhi Wildlife Sanctuary and National Park is located at Anaimalai Established in 1976
Mudumalai National Park is located at Mudumalai Established in 1940
Kalakkad Mundanthurai Tiger Reserve is located at Kalakkad Mundanthurai Tirunelveli District Established 1988
Sathyamangalam Wildlife Sanctuary is located at Sathyamangalam Established 3 November 2008