Correct option is B
Gross Commanded Area (GCA): It refers to the total area within the drainage boundaries that can be commanded or irrigated by a canal system. This includes all types of land, such as cultivable, uncultivable, barren, and forest land.
Culturable Commanded Area (CCA): This is the portion of the GCA that can actually be cultivated and is suitable for irrigation. It excludes uncultivable land like roads, buildings, barren land, etc.
