Compensation job

Respected Sir/Madam, I am from Delhi,i have a issue, my father worked in Airport Authority of India as Suprintendent HR for 30+ yrs then died in 2018(17th Dec)at the age of 57,3yrs before retirement, in our family he was the only breadwinner, there are three dependent of out family,my mother(52),brother(26), me(27), i only works in a private company salary.12000/month.so,any one of our family is eligible for a compensatory job in the Airport Authority of india, in 2018 may he felt some headache problem after the checkup doctor examined that my father had brain tumor & he died due to tumor on 17 dec. Now all the responsibilies comes on my shoulders. I don't have enough salary to full fill family requirements. So, please help me how I can get my father job because Airport authority employee denied that they don't give me job because they don't have procedure for that. I done post graduate in MCA & my brother done graduation & doing preparation for govt. Job. The only thing i want that they should take some responsibilities of my family & give us job to me or to my brother..Plz.. help me what should i do, Here is my e-mail id: [deleted] pH:[deleted]