Answers

2014-07-27T09:57:55+05:30
1 prevent from cold winds from central Asia
2 cause rainfall
3 forest here provide various products4 source of many rivers.
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2014-07-27T09:59:08+05:30
Well they're
1>The Himalayas protect the country against the cold winds blowing from Siberia through central Asia.
 
2>
The Himalayas are the source of major rivers like Ganga, the Indus. the Brahmaputra and their tributries. so they make our land fertile.

3>
High mountain ranges and peaks act a barier for enemies and so play a great role in the defence of India. (:

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