Explanation:

The Northeast monsoon derives its name from the direction in which it travels — from the northeast to the southwest. Similarly, the summer monsoon moves in exactly the opposite direction — from the southwest to the northeast. That is why it is called the southwest monsoon. Many other parts of the country, like the Gangetic plains and northern states, also receive some rain in November and December but this is not due to the northeast monsoon. It is caused mainly by the Western Disturbances, an eastward-moving rain-bearing wind system that originates beyond Afghanistan and Iran, picking up moisture from as far as the Mediterranean Sea, even the Atlantic Ocean.