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.