The Bt (Bacillus Thuringiensis) cotton seed production focussed on the socio-economic characteristics of contract farmers, cost and return, efficiency of resource use and problems faced by the farmers in Bt cotton seed production under different companies. The total cost of Bt cotton seed production varied from one company contract farmers to other company contract farmers. The Cobb-Douglas production function revealed that the farmers who have contracted with different seed companies, the use of seed was found to be optimum across all company contract farmers. Whereas, fertilizer resource...