Answer : 2. "तमिलनाडु"
Explanation :

Recently the Government of Tamil Nadu has designated 80,114.80 hectares of Bargur Hills in Erode district as Thanathai Periyar Wildlife Sanctuary. The area connects the Sathyamangalam Tiger Reserve with the Male Mahadeshwara Hills Tiger Reserve and the Kaveri Wildlife Sanctuary, forming an important corridor for the tiger population. The area is rich in biodiversity, serving as a habitat for diverse flora and fauna. It has been identified by the National Tiger Conservation Authority as part of the Nilgiri Elephant Reserve and is important for water sources and cultural significance for local communities.