The correct answer is: d) Thoubal River.
The Thoubal River is the longest river in Manipur, India. It is a major source of irrigation for the state. The river originates in the Manipur Hills and flows through the Imphal Valley before joining the Barak River in Assam. The Thoubal River is a popular destination for fishing, swimming, and boating.
The Barak River is a major river in northeastern India. It is the largest tributary of the Brahmaputra River. The Barak River originates in the Manipur Hills and flows through the states of Manipur, Assam, and Tripura. The river is a major source of irrigation and drinking water for the region.
The Chindwin River is a major river in Myanmar. It is the largest tributary of the Irrawaddy River. The Chindwin River originates in the Kachin Hills and flows through the states of Kachin, Shan, and Sagaing. The river is a major source of irrigation and drinking water for the region.
The Imphal River is a major river in Manipur, India. It is a tributary of the Thoubal River. The Imphal River originates in the Manipur Hills and flows through the Imphal Valley. The river is a major source of irrigation and drinking water for the state.