INDIAN GEOGRAPHY

Detailed explanation-1: -The nature of the winter rainfall in north western India is Cyclonic. Frontal (or Cyclonic) Rain is caused by cyclonic activity and it occurs along the fronts of the cyclone. It is formed when two masses of air of different temperature, humidity and density meets.

Detailed explanation-2: -Punjab is the only state in the given options that receives rainfall from temperate cyclonic cyclones.

Detailed explanation-3: -During the winter season, north-east trade winds prevail over India. They blow from land to sea and hence, for most part of the country, it is a dry season. These cause winter rains over the plains and snowfall in the mountains.

Detailed explanation-4: -As a result of these unstable conditions, severe cyclonic storms originate in the Bay of Bengal. These cyclonic storms strike along the eastern coast of India causing widespread rain in the coastal regions.