i have completed bsc(maths),msc(electronics),mba (hr),and i am doing pvt job since last 8yrs.I want to do govt job and my age is 31yrs.pls suggest which govt job should i try for my future secure

As per Government standards, you are over-age. But, of course, you can try your luck in Government owned public enterprise companies, where professionals are recruited through open market and experience is sought rather than age factor. For that purpose you would need to make a habit of reading "Emp