Maize is the most important cereal and it is mostly used as grain, feed, fodder, starch and industrial products. In the present study, an attempt was made to know about the socio-economic characteristics of maize growers, to calculate the cost of cultivation and profitability of maize per hectare in different size of farm group for hybrid maize in the study area. The study area selected was Manchal, Yacharam and Shakerpalli blocks of Rangareddy (dist.). A multi-stage sampling method involving a combination of purposive and random sampling procedures were employed in drawing up the sample block, villages and farmers for collecting primary data. Ninety farmers (42 Small, 29 medium and 19 large) were selected at random by proportional probability sampling technique.