Betla, the only national park in Jharkhand, sits inside one of the first nine Project Tiger reserves
Background
The Department of Forest, Environment & Climate Change of Jharkhand states that Betla National Park falls in Latehar district of Jharkhand and that it is the only National Park of the State.
The department records that it spreads in 226.33 sq.km. and was notified in 1986, and that Betla National Park is part of core area of Palamau Tiger Reserve.
On the same page the department writes that the total area of the tiger reserve is 1129.93 sq.km and that it is one of the first 9 tiger reserves created in the country at the inception of Project Tiger, and the only one in the state of Jharkhand.
The department's own table gives Palamau wildlife sanctuary area 979.27 sq.km. and the total area of Palamau Tiger Project, Daltonganj as 1306.79 sq.km.
The National Tiger Conservation Authority's profile of tiger reserves lists Palamau in Jharkhand against a protected-area notification year of 1973-74 and a tiger reserve notification year of 2012, with a total area of 1,129.93 sq km, the same total the state department gives.
The department names tigers, leopards, wolves, wild dogs and jungle cats among the predators of the area.
In plain words
Project Tiger — The central programme under which India's tiger reserves were created, Palamau being among the first nine.
NTCA National Tiger Conservation Authority — The statutory body that maintains the official profile of India's tiger reserves.