COODU has been serving the people and the Nation in Agriculture and Allied sectors, among others, since its genesis in the year 1995. The organisation commenced its services in Coimbatore District and extended its services to the districts of Cuddalore, Dindigul, namakkal, Trippur, Ramanathapuram, Madurai, Theni, Thanjavur, Krishnagiri, Tiruvallur, Tiruvanamali, Kanchipuram and Viruthunagar. From forming Water Users Associations (WUAs) comprising farmers, Watershed Users Groups (WUGs) comprising farmers and other stakeholders, Women Farmers Group, creating and developing irrigation infrastructures, building the skills and capacity of farmers, extending loans to farmers for purchase of agricultural implements and machineries, introducing organic farming, assisting farmers in creating and developing plantations, promoting afforestation and pasture development by creating block and avenue plantations and on bunds, thereby creating income generation sources for people, constructing cattle ponds and contributing to the growth of agriculture and allied sectors. COODU has been contributing to these sectors. Having facilitated in the development of 292 watersheds with an extent of 1,41,000 Ha, the organisation contributed to the growth of agriculture & allied sectors, whereby, approximately 14,600 Ha of land has been reclaimed for agricultural activities; in 24,760 Ha, agro-forestry had been raised / developed; 5480 Ha of land had been brought under horticulture crops.

Under Technology Dissemination Project of Agricultural Technology Management Agency (ATMA) in 2013-14 and 2014-15, COODU organised trainings and field demonstrations for 600 farmers grouped into 24 batches in all 12 blocks of Coimbatore district. The approach was seed to seed. Trainings on intensive cultivation of maize, groundnut, tomato, and other vegetables were imparted by 66 academic experts from TNAU and KVK. Topics on animal husbandry and sericulture were taken up by experts.

COODU had organised training on Natural and organic farming for farmers in watersheds. COODU has trained and promoted organic manure and vermin compost among farmers in Ariyalur, Perambalur, Dindigul, Ramanathapuram and Coimbatore districts. COODU has organised Exposure visits to model watersheds and organic farms for farmers. Under Integrated Agriculture Management of Water bodies And Restoration Management (IAMWARM) project, COODU as support Organisation had mobilised farmers in Gundar basin spread over the districts of Madurai, Theni and Viruthunagar and formed seventy (70) Water User Associations (WUAs) comprising 1912 members.

In the World Bank Funded project staffed by Agricultural and Horticultural Officers, Environment and Agricultural Engineers, Agro-economists and others, COODU had organised trainings on water management, best agricultural practices, conservation measures, Environment Development and related topics imparted by TNAU.