( 1 ) THE Government of Andhra Pradesh (Goap), so as to increase irrigation efficiency with available water has mooted A. P. Micro Irrigation Project (APMIP ). The project envisages to bring a huge extent of agricultural land under micro irrigation. So as to encourage the farmers to shift from surface method of irrigation to micro irrigation, Goap took a policy decision to give fifty percent subsidy to farmers who invest in micro irrigation equipment by taking a bank loan arranged by the Department of Horticulture. Identification of the land to be brought under particular technology of micro irrigation and modus operandi were worked out. As a first step, the Government identified seven manufacturers and suppliers willing to supply micro irrigation system (MIS) with performance guarantee and agronomic extension service to the farmers. The petitioners also expressed interest to participate in APMIP. The petitioners were not included in the panel of shortlisted manufacturers. Inclusion of seven companies/concerns is not challenged, but non-inclusion in the list of participants is made the issue in these proceedings. As the background facts and submissions to assail the