The reason for the necessity of irrigation in India is that_______.

There is no rainfall at the time of need.

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Indian crops require much water.

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Indian farmers are in habit of watering the fields.

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India is a hot country so water is easily evaporated.

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Solution

The correct option is A There is no rainfall at the time of need.
It is very irregular and unpredictable. India usually have no rains when needed and hence India requires highly sophisticated irrigation facilities and construction of reservoirs by which rain water can be stored and used all along the year.
The correct answer is A.

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