The correct answer is C. Yamuna.
The Yamuna is a major river in northern India and a tributary of the Ganges. It is the longest river flowing entirely in India. The Yamuna rises in the Yamunotri Glacier in the Garhwal Himalayas in the Indian state of Uttarakhand. It flows through the states of Uttarakhand, Himachal Pradesh, Haryana, Delhi, and Uttar Pradesh, before joining the Ganges at Allahabad. The Yamuna is a sacred river in Hinduism and is worshipped by Hindus. The river is also a major source of irrigation and drinking water for millions of people in India.
The Narmada is a river in central India. It is the fifth-longest river in India and the longest river that flows entirely within India. The Narmada rises in the Amarkantak hills in the state of Madhya Pradesh and flows through the states of Madhya Pradesh, Gujarat, and Maharashtra before emptying into the Arabian Sea. The Narmada is a major source of irrigation and drinking water for millions of people in India.
The Ganga is a river in northern India and Bangladesh. It is the longest river in India and the third-longest river in Asia. The Ganga rises in the Garhwal Himalayas in the Indian state of Uttarakhand and flows through the states of Uttarakhand, Uttar Pradesh, Bihar, Jharkhand, and West Bengal before emptying into the Bay of Bengal. The Ganga is a sacred river in Hinduism and is worshipped by Hindus. The river is also a major source of irrigation and drinking water for millions of people in India.
The Kaveri is a river in southern India. It is the longest river in the Indian state of Karnataka and the second-longest river in the Deccan Plateau. The Kaveri rises in the Brahmagiri Hills in the state of Karnataka and flows through the states of Karnataka, Tamil Nadu, and Kerala before emptying into the Bay of Bengal. The Kaveri is a major source of irrigation and drinking water for millions of people in India.