Correct Option: B

Canal is the second largest source of irrigation providing water to 29.24 percent of the net area under irrigation. The country has one of the world’s largest canal systems stretching over more than one lakh kilometres. Well Irrigation is a principal method of irrigation used in India. Underground water is tapped for drinking purposes and at the same time it is also tapped for irrigating the cultivated land. For implementation of this procedure, a hole is dug in the ground for providing perennial supply of soft water. Well, irrigation is definitely more popular in those regions where groundwater is in plenty and where there are very few canals.