The correct answer is A) Narmada.
The Narmada is the fifth-longest river in India, flowing through the states of Madhya Pradesh, Gujarat, and Rajasthan. It is the source of several major irrigation projects in Madhya Pradesh, including the Sardar Sarovar Dam, the Indira Sagar Dam, and the Omkareshwar Dam.
The Chambal is a tributary of the Yamuna River, flowing through the states of Madhya Pradesh, Rajasthan, and Uttar Pradesh. It is not a major source of irrigation in Madhya Pradesh.
The Betwa is a tributary of the Yamuna River, flowing through the states of Madhya Pradesh and Uttar Pradesh. It is not a major source of irrigation in Madhya Pradesh.
The Tapti is a river flowing through the states of Madhya Pradesh, Maharashtra, Gujarat, and Rajasthan. It is not a major source of irrigation in Madhya Pradesh.