Which of the following experiences a unique 'chillai-kalan' winter season?

The Correct answer is Kashmir . Key Points Kashmir experiences a unique winter season known as 'Chillai-Kalan' . 'Chillai-Kalan' is a period of severe cold that lasts for 40 days , starting from 21st December to 31st January . During this period, the region experiences extremely cold temperatures and heavy snowfall . The temperatures can drop to sub-zero levels , making it the coldest part of winter in Kashmir. This period is crucial for the region's water supply as the snow accumulated during this time melts in the spring and replenishes the rivers and streams . The traditional lifestyle and culture of the Kashmiri people are significantly influenced by 'Chillai-Kalan' . Additional Information Assam Assam is located in the northeastern part of India and is known for its tea gardens and Bihu festival . The region experiences a humid subtropical climate with heavy rainfall during the monsoon season. Tamil Nadu Tamil Nadu is located in the southern part of India and is known for its temples and cultural heritage . The state experiences a tropical climate with hot summers and mild winters . Kerala Kerala is located in the southwestern part of India and is known for its backwaters and Ayurvedic treatments . The state experiences a tropical climate with heavy monsoon rains and high humidity .