Correct option is C
Side slope canal is aligned roughly at right angles to the contours, traversing the side slopes of the land. Contour canal follows the contours of the land, not at right angles to them.
| Ridge Canal (Watershed canal) |
Contour Canal (Single Bank Canal) |
Side Slope Canal |
| Aligned along the ridge or natural watershed Line |
Aligned along the natural contour of the country |
Aligned perpendicular to the contour of the country. |
| A ridge canal does not drainage line and Hence cross drainage work are not required. |
Maximum cross drainage work is required |
No Cross Drainage work required. |
| Can irrigates on both sides of the ridge and hence, a large area can be cultivated |
Can irrigate areas only on one side |
Can irrigate areas only on one side. It is Neither on watershed nor in valley. |
| Ridge line are quite economical and can be provided in plane areas. |
It is generally provided in Hilly areas. |
This type of canal is Nearly parallel to the Natural drainage of the country. |
