Consider the following statements about the retreating monsoon of India.

1) The months of October and November are known for retreating monsoons.

2) The South-west monsoons becomes South-east monsoons.

3) A bulk of the rainfall of the Coromondal coast is derived from these depressions and cyclones.

4) In northern India, it is comparatively dry and temperatures begin to fall.

5) Three-fourths of the total rain in the country is received during the retreating monsoon season.

Which of the above are true?