Which of the following statements regarding irrigation in Bihar is not correct?

• A. About 46% of the total planted area of ​​Bihar is irrigated.
• B. About 30% of the total irrigated area of ​​Bihar is irrigated by canals and 39% by tube wells.
• C. The maximum area irrigated by canals is found in Bhojpur, Aurangabad, West Champaran, Rohtas and Munger districts.
• D. The maximum area irrigated by tube wells is found in Samastipur, Sitamarhi, Begusarai, Muzaffarpur, Gopalganj and Khagaria districts.