Q: 7 (CDS-I/2008)

Consider the following statements : The South-West Monsoon originates in India due to
1. low pressure in the Punjab plain
2. high pressure in areas South of India
3. equatorial low being filled up by descending air current
4. the Himalayas
Which of the statements given above are correct?
question_subject: 
Geography
question_year: 
2008
question_exam: 
CDS-I
stats: 
0,288,608,280,80,448,88