This paper presents an application of LINGO software to allocate the area for production, labour employment and net benefit maximization in Jaisamand command area of Udaipur district. The conjunctive use linear programming model was developed and solved in LINGO software. The area allocated for different crop activities in 9,18,21,24 and 30 canal running days was obtained. In Jaisamand command area maize, soyabean, moong, wheat, mustard, gram and barley are the major crops taken for the cultivation. The production obtained as 31969.05, 61958.36, 64931.51, 67617.26 and 68026.33 tonnes with investment of 395.93, 739.11, 784.66, 825.80 and 832.07 millon ` in 9,18,21,24 and 30 canal running days respectively by considering production maximization objective. The labour employment in man days obtained as 1507148, 2837334, 2850453, 2850453 for 9,18,21,24 and 30 canal running days in the month with investment of 405.58, 706.49, 708.63, 708.63 and 708.63 million ` respectively by considering maximization of labour employment objective whereas the net benefit obtained as 223.25, 319.13, 411.14, 429.22 and 431.97 million ` for the investment of 414.47, 739.11, 784.66, 825.80 and 832.07 million ` for the canal running 9,18,21,24 and 30 days respectively.