hi i want to know about examination of deputy field officer under cabinet secretary. when is it started. how many stage are completed to reached the interview board. actually i am b. com graduate. i send my application to the address of AD(Pers-A), post box no 3003 lodhi road post office new delhi-110003. i don't know about AD(Pers-A). but i write this word on the envelope which was send to the post office. is it correct addressed. have a any chanced to can celled my application. what type of question i have to faced in the written examination. can u give me any sample paper of this examination. thanks