The Ranganadi Dam is located in which state ?
(A) Punjab
(B) Arunachal Pradesh
(C) Himachal Pradesh
(D) Jammu & Kashmir

Hint The Ranganadi Dam is a concrete-gravity diversion dam on the Ranganadi River in a state which serves a run-of-the-river scheme. State is also known as the Land of the Rising Sun and ideal for fruit orchards

Complete step by step answer
The Ranganadi dam is located in Arunachal Pradesh. It is a concrete gravity diversion dam on the Ranganadi river which is also known as Panyor river in Arunachal Pradesh. It creates a Ranganadi reservoir. North Eastern Electric Power Corporation (NEEPCO) is the owner of this dam. The dam is meant for electricity functions and is a component of Stage I of the Ranganadi Hydroelectric Project and supports the 405-megawatt Dikrong Power House which has 4 units of 135 MW each.

Additional information
The Ranganadi sub-basin spreads for concerning 2384.65sq.km across the Lower Subansiri and Papum-Pare districts in ArunachalPradesh, and Lakhimpur district of state wherever it joins the Subansiri-Brahmaputra stream system at Khichikagaon. The MDDL (Minimum Drawdown Level) of the dam is at 560m. The minimum drawdown level has been kept at an appropriate height to sustain freshwater supply for the local communities.

So, the correct answer is an option (B)

Note
Ranganadi Dam is the first mega dam of Arunachal Pradesh which isRanganadi Dam constructed on the Ranganadi River, a tributary of Brahmaputra River. The Ranganadi Dam is a gravity dam which is intended for hydroelectric purposes and is a part of stage I of the Ranganadi Hydro-Electric Project. This Project is found within the Lower Subansiri District of the State of Arunachal Pradesh within the Ranganadi basin and therefore the adjacent Dikrong basin.