The Himalayas are the source of water for several major rivers in India, including the Ganges, Brahmaputra, and Indus. These rivers provide water for agriculture, industries, and human settlements, making them a critical resource for the country. The Himalayas prevent the cold winds from Central Asia from entering the subcontinent. It is because of these mountains that this subcontinent experiences comparatively milder winters as compared to Central Asia. In addition to providing surface and groundwater, the Himalayan mountain system provides huge inputs to agriculture through regulating micro-climates as well as wind and monsoon circulation, and by supporting river and wetland ecosystems in South Asia. The Himalayas also act as a barrier to the monsoon winds coming from seas. Hence, they are an important cause of rainfall in India. They help in maintaining both the elements of climate, i.e. temperature and rainfall. Himalayas acts as a strong defense barrier. The Himalayas save our country from the cold and dry winds of Central Asia. They also prevent the monsoon winds of the Indian Ocean from crossing over to Northern countries and cause heavy rainfall in Northern India. Many rivers have their sources in the Himalayan ranges.

The Himalayas are of utmost importance because: It is the origin of many rivers that serve as a great source of water in the Indian subcontinent and they prevent dry winds south, which keep South Asia much warmer than corresponding temperate regions in the other continents. The water from these rivers irrigates the agricultural lands and rains the Himalayas block the rain-bearing monsoon winds from reaching Asia, causing them to fall in India. In India, monsoons are the primary source of water for irrigation. In many parts of India, its failure results in drought and starvation. It is the major source of dry season water for several large river systems, such as the Indus, the Ganges and the Brahmaputra from the snow and glacier melt of the Himalayas, which provide the main basis for surface and groundwater irrigation. The principal activity is animal husbandry, but forestry, trade, and tourism are also important. The Himalayas abound in economic resources. Those include pockets of rich arable land, extensive grasslands and forests, workable mineral deposits, easy-to-harness waterpower, and great natural beauty.

The Himalayas are often referred to as the "Water Towers of Asia" because they are the source of many major rivers in the region, including the Ganges, Indus, Brahmaputra, and their tributaries. These rivers serve as a lifeline for agriculture in the plains of India. They provide a constant supply of freshwater for irrigation, enabling the cultivation of crops and supporting the livelihoods of millions of farmers.

The Himalayas act as a natural barrier, protecting the Indian subcontinent from the cold winds of Central Asia. They help regulate the climate by influencing the monsoon patterns, resulting in the Indian subcontinent receiving the monsoon rains. These rains are essential for agricultural activities, providing water for irrigation and supporting crop growth.

The Himalayas attract a large number of tourists, both domestic and international, who come to explore the breathtaking landscapes, trekking routes, and adventure tourism activities. The tourism industry in the Himalayas contributes to the local economy and promotes cultural exchange. Additionally, the diverse cultural heritage of the Himalayan communities, their traditional farming practices, and the unique knowledge systems associated with agriculture add to the region's importance for India.