Explanation: The Son River is one of the major rivers in central India, originating near the town of Amarkantak in the Shahdol district of Madhya Pradesh. Amarkantak is a significant geographical location in India, known as the "Tirthraj" or the king of pilgrimage sites, due to the fact that several important rivers originate from this region. The Son River is one of these rivers, flowing eastward through Madhya Pradesh and Uttar Pradesh before joining the Ganges River in Bihar.
The Son River is approximately 783 kilometers (487 miles) long and is an important tributary of the Ganges. It is known for its contribution to the agricultural economy of the region, providing water for irrigation and supporting the livelihoods of many farmers. The river also plays a crucial role in the ecological balance of the area, supporting diverse flora and fauna.
The question specifically mentions that the Son River originates near Amarkantak, just east of the headwaters of the Narmada River. This geographical detail is important because it highlights the proximity of the origin points of these two rivers. The Narmada River, one of the seven sacred rivers in Hinduism, also originates near Amarkantak, making this region a significant point of interest for both geographical and cultural reasons.
Understanding the origin and flow of rivers like the Son is essential for comprehending the geographical and ecological features of Madhya Pradesh. It also helps in appreciating the interconnectedness of various river systems in the region and their impact on the local environment and economy. Therefore, the correct answer to the question is the Son River, as it accurately describes the river that originates near Amarkantak in Madhya Pradesh, just east of the headwaters of the Narmada River.