Which of the following rivers is the primary southern tributary of the Ganga River that originates from the Amarkantak Plateau and flows directly into it near Patna?

💡 Solution & Explanation

The Son River originates near Amarkantak in Madhya Pradesh and flows northward as a major right-bank tributary of the Ganga, eventually discharging into it just upstream of Patna after draining parts of central India. Its major tributaries include the North Koel and Rihand rivers. Indian river systems are a core focus area in civil services geography syllabi.