Which of the following statements regarding the original forms of Rajasthan is false?

• A. The Aravalli mountain range is one of the oldest fold mountains in the world.
• B. The South-Eastern plateau is part of the Gondwana land.
• C. The western-eastern plateau part is the land of Gondwana land.
• D. The north-eastern part is part of the plain formed by the river Indus?