Cono-weeder :Cono-weeder is equipment for weeding in wetland condition and is most suitable for weeding in paddy. Adoption of SRI system o paddy cultivation in Bihar has been behind the record paddy production in Bihar. The AGRIMAX-BIHAR brand Cono-weeder has the first choice of farmer’s option SRI system. The implement is light weight. Weeding cones are well finished and made of G. I. blade. The material of cono is plastic alloy. Frame of cono-weeder is robust. Handle is made of G.I. pipe with provision of change in height according to operator. The float of the cono-weeder is made of PVC .All components together make this weeder very effective in weeding and user’s friendly. With the use of this machine, 1 hectare of land can be covered by 10 man days. The machine is cost effective and therefore liked by the farmers much.