The correct answer is: A. Barakar
Hiranyawa is another name of the Barakar River. It is a tributary of the Damodar River in the Indian state of Jharkhand. The Barakar River originates in the Chhotanagpur Plateau and flows through the districts of Hazaribagh, Bokaro, and Dhanbad. It joins the Damodar River near the town of Durgapur. The Barakar River is a major source of irrigation and drinking water for the people of Jharkhand. It is also a popular destination for fishing and boating.
The other options are incorrect because they are not names of the Barakar River. The Son River is a tributary of the Ganges River in the Indian states of Madhya Pradesh, Jharkhand, and Bihar. The Mayurakshi River is a tributary of the Bhagirathi River in the Indian states of West Bengal and Jharkhand. The North Koel River is a tributary of the Son River in the Indian states of Jharkhand and Bihar.