Which of the following atmospheric conditions is responsible for the occurrence of the Indian climatic phenomena ‘Retreating Monsoon’?
1
Apparent movement of the Sun.
2
Expansion of high-pressure belt from north-west to south-east direction in India.
3
The south-west monsoon winds reach the foothills of the Himalayas, blocked by the Himalayan ranges, and then retreat from the Himalayas.
4
Occurrence of steep pressure gradient in the Indian sub-continent.