Q. Consider the following statements:

1. Easterly winds bring monsoon to Northeast India.
2. Delay in the formation of Mascarene High leads to delay in the onset of monsoon in India.
3. El Niño events are associated with higher than average rainfall in India.
4. During positive IOD, the Indian summer monsoon rainfall is considerably good.

Which of the above statements are correct?
Answer: Only 2 & 4
Notes: Statement 1 is incorrect as easterly winds bring monsoon to Northwest, not Northeast India. Statement 2 is correct; a delay in Mascarene High delays monsoon onset. Statement 3 is incorrect; El Niño events cause weak monsoons and lower rainfall in India. Statement 4 is correct; positive IOD phases usually enhance Indian summer monsoon rainfall.