The correct answer is Nagaland.
Dzukou Valley is a high-altitude valley located in the Naga Hills of northeastern India. It is situated on the border between the Indian state of Manipur and the Nagaland state. The valley is a popular tourist destination, known for its scenic beauty and its annual Dzukou Valley Rhododendron Festival.
The valley is home to a variety of plant and animal life, including the endangered Dzukou Lily. The valley is also a popular destination for trekking and mountaineering.
The valley is accessible by road from the town of Kohima in Nagaland. The best time to visit the valley is during the spring, when the rhododendrons are in bloom.
The other options are incorrect because:
- Mizoram is a state in northeastern India, located to the south of Manipur.
- Arunachal Pradesh is a state in northeastern India, located to the east of Manipur.
- Myanmar is a country in Southeast Asia, located to the west of Manipur.