The correct answer is: a) Sonai
The Sonai River is the largest tributary of the Barak River. It originates in the Manipur Hills and flows through the Indian states of Assam and Meghalaya. The river joins the Barak River near Karimganj in Assam.
The Katakhal River is a tributary of the Barak River. It originates in the Manipur Hills and flows through the Indian state of Assam. The river joins the Barak River near Silchar in Assam.
The Jatinga River is a tributary of the Barak River. It originates in the Garo Hills and flows through the Indian state of Meghalaya. The river joins the Barak River near Jatinga in Meghalaya.
The Kushiyara River is a tributary of the Brahmaputra River. It originates in the Himalayas and flows through the Indian states of Bihar and Assam. The river joins the Brahmaputra River near Karimganj in Assam.
The Sonai River is the largest tributary of the Barak River. It is a perennial river and has a drainage basin of about 10,000 square kilometers. The river is used for irrigation, drinking water, and hydroelectric power generation.