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Bioefficacy of combination insecticide, Roket-44% EC (Profenofos-40% + Cypermethrin-4%), a product of Pesicides Industries Ltd. Gurgaon, Haryana was evaluated at three doses 500, 750 and 1000 ml/ha along with four different insecticides against stem borer and leaf folder infesting rice under irrigated conditions at Agricultural Research Station (Agriculture University), Kota, Rajasthan. The results revealed that Roket 44 % EC (Profenofos 40% + Cypermethrin 4%) @ 1000ml/ha was found significantly superior among all the treatments to control leaf folder (Cnaphalocrocis medinalis Guenee) and stem borer (Scripophaga incertulas Walker) pests of Rice with higher grain yield. The next treatments in order of efficacy were Profenofos 50 EC @ 1000 ml/ha and Acephate 75 SP @ 1000 g/ha.