Dear Student,
a.North west part of India, like states of Punjab, Haryana receive winter rainfall
b. Winter rainfall is due to western and north western cyclonic disturbances.
C. It is the Western disturbances which are the moisture laden cyclones originating over Mediterranean sea usually influence the weather of the north and north-western regions of India.
d. The North West part of India receives rainfall primarily from the Western disturbances which originate over the Mediterranean sea.
e.. These rainfall are considered to be very important and is ideal for wheat cultivation.
f. It influences the cropping pattern of the country. Farmers rely on monsoons for the sustenance of their crops particularly rabi crop.
Regards