A) Aryan, Dravidian, Purana, Archaean
B) Archaean, Purana, Dravidian, Aryan
C) Dravidian, Aryan, Archaean, Purana
D) Purana, Dravidian, Archaean, Aryan
Correct Answer: B
Solution :[b] The correct chronological sequence of the Indian Geological Time Scale is the Archaean (more than 4000 million years age), the Purana (1400-600 million years), the Dravidian (600-300 million years), the Aryan (300 million years till recent time).
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