The correct answer is: Imphal River.
The Loktak Lake is an important freshwater lake in Manipur, India. It is the largest freshwater lake in the northeastern states of India and the second largest in the country after the Wular Lake in Jammu and Kashmir. The lake is connected to the Imphal River through a series of canals. The Imphal River is a major river in Manipur and is a tributary of the Barak River. The Barak River is a major river in the northeastern states of India and is a tributary of the Brahmaputra River. The Yu River is a major river in Manipur and is a tributary of the Imphal River.
The Loktak Lake is a Ramsar site and a wetland of international importance. It is home to a variety of wildlife, including fish, birds, and reptiles. The lake is also a popular tourist destination.
The Loktak Lake is facing a number of threats, including pollution, deforestation, and encroachment. These threats are having a negative impact on the lake’s ecosystem and its wildlife. The government of Manipur is taking steps to protect the lake, but more needs to be done to ensure its long-term sustainability.