Arrange the following events in a chronological order:

(A) Accession of Chandragupta Maurya
(B) Urbanization in the Ganga valley
(C) Satavahanas in the Deccan
(D) Rise of the Chalukyas in Karnataka

Choose the correct answer from the options given below:

(B), (A), (C), (D)

The correct answer is Option (3) → (B), (A), (C), (D)

(B) Urbanization in the Ganga valley :  c.600-500 BCE 
(A) Accession of Chandragupta Maurya : c. 321 BCE
(C) Satavahanas in the Deccan :  c. 200-100 BCE
(D) Rise of the Chalukyas in Karnataka :  c. 500-600 CE