The Himalayas are very useful to India in many ways. The Himalayas form a strong natural barrier to our country in the North. It is very difficult to cross these high mountains. It can only be crossed in summer when snow melts over its passes. For centuries, it has stood as a strong defense wall for the country. The other advantages of Himalayas are as under:(i) Climatic barrier.(ii) Vegetation :(iii) Rivers (iv) Hill Stations :(v) Mountaineering (vi) Herbs(vii) Soldiers 
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They block the cold winds which come from north which keeps are country warm..They block the monsoon winds which makes our land remain fertile for the growth of crops..