I have completed BE(ECE) this year with very low aggregate(59%) . i am willing to take up IES and IAS exams and also i need job security

As i mentioned, due to my low academic profile i am afraid that whether i can get jobs for security , if i could not get through that exam(IAS,IES). or can i join to any post graduation, because i dont have any idea about the PG courses except M.Tech and MS. So give a correct direction so that i can