The document analyzes trends in area, production and productivity of banana in World, India and Tamil Nadu. It estimates cost and return of Grand Naine banana cultivation using a Cobb-Douglas production function and stochastic frontier analysis. The mean technical efficiency of Grand Naine banana cultivation is 84.96%. Major constraints faced by farmers are Sigotoka leaf spot disease and lack of labor. The study recommends subsidizing planting material costs and adopting crop rotation to increase profits from Grand Naine banana cultivation.