A. Furrow irrigation method
B. Basin irrigation method
C. Sprinkler irrigation method
D. Drip irrigation method

Ans (c) : Sprinkler irrigation

Explanation:-
The sprinkler method consists of applying the water in the form of a spray some what as in ordinary rain, as is done in the garden lawn sprinkling.
This method is more useful, where :
(i) The land cannot be prepared for surface method.
(ii) Slopes are excessive or Hilly areas or uneven areas.
(iii) Topography is irregular
(iv) Soil is erosive
(v) Soil is excessively permeable or impermeable
(vi) Depth of soil is shallow over gravel or sand.