Which of the following statement(s) is/ are true with respect to monsoon in India?
A. The Southwestern Monsoon takes longer duration as compared to retreating Monsoon in covering India.
B. The Southwestern Monsoon has a shorter duration as compared to retreating Monsoon in covering India.
C. Both the Monsoons takes almost the same duration in covering India.
D. The Southwestern Monsoon is propelled by the depressions while retreating Monsoon results from the movements of Air Masses.