a. The Himalayan rivers cut across the Siwalik range, its continuity breaks at many places.
b. Punjab region receives winter rainfall due to the phenomenon of western disturbance. The cyclones originating in the Mediterranean Sea during winter gradually shift towards east, reach India and cause rainfall in the northern plains, especially in the Punjab region. This is known as western disturbance.
c. The northeast monsoon winds blowing over the Bay of Bengal absorb moisture and pass through the Coromandel coast, causing rainfall along this coast.
