IRRIGATION SYSTEM: Karaikal region lies in the fag end of Cauvery Delta. Main source of irrigation is river water by Canal system. Other sources are deep bore wells and filter points. Tail-end regulator dams are also constructed in the rivers.
CROPS: In addition to paddy crop, pulses, cotton, groundnut, Gingelly, banana and vegtables are also encouraged.
OTHER INFRASTRUCTURE: An Agriculture College & Research Institute [ PAJANCOA & RI ], VOCATIONAL AGRICULTURAL SCHOOL and a KRISHI VIGYAN KEDRA have been established and a STATE SEED FORM at Madur are set up and functioning.ADMINISTRATION: Agriculture Department in Karaikal is functioning under the head of one Additional Director of Agriculture.