The correct option is D It is the largest physical division of India.
The peninsular plateau is rich in minerals, thick forests, and bio-diversity. The hill ranges in the western ghats blocks the south-west moonsoon winds. Thus. the eastern ghats receives scanty rainfall. The peninsular plateau is covered with black soil which is suitable for agriculture. The western ghats are the birth place of many south Indian rivers. These rivers help in the generation of hydro-electricity. The peninsular plateau is the largest physical division in India. It is the oldest landmass as it was a part of the Gondwanaland.