CCD's long standing association with the people in souther Tamil Nadu through Kalasms and other projects, gave it a unique insight into the culture, social structure and economic activites of the region. This was of greatest help when 2004, the region witnessed the biggest natural tragedy in the form of Tsunami in the year 2004. CCD quickly put together a team and got into action. However, even after the relief period, CCD continued to work in the region with the intention of strengthening the existing framework to protect the community from future disasters. CCD concentrated on the farmers in the Nagapattinam district, which was one of the worst affected by the Tsunami.
In the year 2006-07 the focus shifted from relief to rehabilitation of those farmers affected by the Tsunami that struck Nagapattinam in Dec 2004. Two farmer federations Poompuhar Cauvery Delta Farmers Federation (PCDFF) and Kazhi Kadai Madai Farmers Federation (KKFF) were promoted and registered. Federation helped for Backward and forward market linkages being established, they were able to sell 10‐15% higher prices and procure quality input on competitive prices. Also has created a collective power to access government schemes. The two federations have totally managed a revolving fund of Rs 90 lakhs with 100% OTR. Apart from forming federations the following activities were also completed:
1) Construction of drying yard
2) 57 kms of canals were desilted and hence increasing the area of agriculture from
3) Thirteen kilometres of sea bunds were built to reduce sea water seepage
4) Agro services centre was established as business centres. The centre sold approved seeds and fertilizers. The centre now also owns tractors. These tractors are provided to the farmers at a subsidised cost.
5) Crop loans to the tune of 1.5 crore rupees were distributed among the federation members