The brief facts of the case are that the petitioners are registered non-government organization, registered under the Society Registration Act, 1960 and in pursuance to a tender issued by the District Health Society, Gaya pertaining to outsourcing of different kinds of work in different government hospitals in the District of Gaya in the month of February, 2014, the petitioners had applied for grant of work to them and finally work order was issued to the petitioners and an agreement was entered into between the petitioners and the respondents in the year 2014. The petitioners are stated to have worked satisfactorily and considering their good work, the District Health Society, Gaya had extended the tenure of the petitioners, after expiry of their tenure on 30.06.2017 till the finalization of the process of fresh tender, however, it was subsequently found that the petitioners had committed irregularities and had received illegal payment in lieu of the services provided by them as also the generators provided by them were not adequate to provide uninterrupted supply to the hospitals without any voltage fluctuation. Thereafter, the Civil Surgeon-cum-Chief Medical Officer, Gaya had blacklisted the petitioners no. 1 & 2 for an indefinite period by an order dated 01.09.2018 which