Compassionate Appointment

Myself M.P.Siva, my father worked as HGA in lic and died due to prolonged illnesses on 07/08/2017 after his demise I applied for his job on compassionate appointment basis (09/09/2017) meanwhile before my father's death   I worked as assistant professor in private engineering college and I have resigned my job before my father's death too take care of him but the branch manager has given a report that I am still employed and gainfully employed so based on that Senior divisional manager refused a job to me and again through union AIIEA I appealed again on 09/01/2018 with all my resignation documents to SDM,Divisional office to reconsider again and they forwarded to Zonal manager ,chennai but zonal manager refused my appeal on 03/05/2018 and I approached Union and they asked me to wait for some time and till now I am approaching them and it is getting late I do not know what to do and I do not have any one to guide so sir please guide me whether shall I approach court or what to do?