Tapioca and Castor Research Station, Yethapur located at North western zone of Tamil Nadu and undertake basic and strategic research in Tapioca and castor. In Tapioca nearly 200 accessions and in Castor 450 accessions were collected worldwide and maintained. Drought prone area programme was implemented successfully. Var. / hybrids and disease free materials were multiplied and distributed to farmers. Established Vermi-compost model unit and training given to needy farmers and self help groups. Introduced hybrid varieties of castor. Training programme was organized to other state farmers through private agency schemes.