Information about job by x-gracia in BSNL

Sir my father was in bsnl destgination (T.M). my father expired in 24 jun 2014.we are 2 sister and 2 brothers.and my name is chetan.My qualification is b.sc. and our family pension is 19590. sir when my fathers expired ,that time my father's age is 49. so 11 years before retirement.and that time my brothers and sisters are unmarried and now also.and last year i get a letter from bsnl ( c.g.m office, Ambala).they reject me.sir what i can do.plz tell.we have no source of income.