Geography
Answer
| S. No. | Inundation canal | Perennial canal |
|---|---|---|
| 1. | Inundation canals are taken out from the rivers without any regulating systems like weirs and barrages. | Perennial canals are taken out from the rivers with regulating system. |
| 2. | Inundation canals are useful only during floods. | Perennial canals supply water throughout the year. |
| 3. | They are easy and cheap to built. | They are expensive to construct. |
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