An investigation was conducted to estimate the extent of average heterosis, heterobeltiosis and standard heterosis, general and specific combinig ability effects of parents and sweet corn hybrids, respectively as well as genotype x environment interactions and stability parameters for green cob yield and contributing characters. Fifteen elite sweet corn inbred lines were crossed with three diverse testers in line x tester fashion to develop forty five sweet corn hybrids. These forty five sweet corn hybrids along with eighteen parents and three standard checks Madhuri, Priya and Sugar-75 were...