Is it important to increase the area under irrigation? why?

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Is it important to increase the area under irrigation? why?
Yes, it is important to increase area under irrigation. This is due to following reasons:
(i) Agricultural land can be used during off rainy season.
(ii) Crop losses can be avoided due to less rain or rain during monsoon season.
(iii) Framers can be provided with security against lack of rains.
(iv) Irrigation facility retains land fertility for longer use.
Is it important to increase the area under irrigation? why?