Which one of the following is the correct order of formation of geological systems in India in terms of their age? (Starting with the oldest)

• A. Dharwars - Aravallis - Vindhyans - Cuddapahs
• B. Aravallis - Dharwars - Cuddapahs - Vindhyans
• C. Vindhyans - Dharwars - Aravallis - Cuddapahs
• D. Cuddapahs - Vindhyans - Dharwars - Aravallis