Dhela Zone was crafted out of the southern buffer forests and is the newest eco-tourism zone that was opened for tourists in December 2014. The mixed forest plantation and moist deciduous attracts scores of sambhar deer, favourite meal of the tigers.
This zone is extremely rich in flora and fauna. The zone spreads over 1,173 hectares, which has mixed forests of Sal, Rohini, Haldu, Bahera, Kusum vegetation, and tigers, leopards, Asiatic elephants, sloth bears and king cobras. The area is particularly rich in bird diveristy.
A vast Laldhang chaur is the main attraction of this zone. The grassland is often seen packed with elephants ,deers & tigers. Several wild pigs and Neelgai can also be seen here. The area is also a very sought after place for visitors interested in grassland birds.