2 · ARS. Login. One Stop Shop for Farmers at AEC Kalligudi. Expression of Interest – Consultant, Technical Assistant and Accountant on Contractual Basis. First AEC got ISO Certificate in Tamil Nadu, Kalligudi AEC, Madurai. Rice Fallow Pulses in Thiruvallur. Liquid Bio-Fertilizer recommendation. Farm Ponds in Kalligudi block of Madurai.