A major portion of Madhya Pradesh lies on the:

Malwa Plateau
Deccan Plateau
Chota Nagpur Plateau
Indo-Gangetic Plain

The correct answer is A) Malwa Plateau.

The Malwa Plateau is a large plateau in central India. It is located in the states of Madhya Pradesh, Rajasthan, and Gujarat. The plateau is bounded by the Vindhya Mountains to the north, the Aravalli Range to the west, and the Narmada River to the east. The Malwa Plateau is a major agricultural region, and is also home to a number of important cities, including Indore, Bhopal, and Ujjain.

The Deccan Plateau is a large plateau in southern India. It is bounded by the Western Ghats to the west and the Eastern Ghats to the east. The Deccan Plateau is a major agricultural region, and is also home to a number of important cities, including Hyderabad, Bangalore, and Chennai.

The Chota Nagpur Plateau is a large plateau in eastern India. It is located in the states of Jharkhand, Chhattisgarh, and Odisha. The plateau is bounded by the Himalayas to the north, the Vindhya Mountains to the south, and the Eastern Ghats to the east. The Chota Nagpur Plateau is a major mineral-rich region, and is also home to a number of important cities, including Ranchi, Jamshedpur, and Raipur.

The Indo-Gangetic Plain is a large plain in northern India. It is bounded by the Himalayas to the north, the Hindu Kush to the west, the Aravalli Range to the south, and the Bay of Bengal to the east. The Indo-Gangetic Plain is the most densely populated region in India, and is home to a number of important cities, including Delhi, Agra, and Kolkata.