"??????? ??? ????? ???? ?? ?????? DFCCIL ???????????? (Operations & BD) ????? ??????? ?? ?????????????? ?? ??? ????? ??? ?? ???????? ?? ?? ??? ?????? ?? ??? ?????? ?????? ??????????? ?? ??????? ??? ????? ????-??????? ?? ??? ???????? ?? ??????? ?????? ?? ????? ?????????? ?????? ??? ???????? ???-??????? ??? ?????? ????????????? ?? ??? ?? ??????-???? ?? ?? ???? ???? ??? ??? ?????? ??? ????? ???-??????? ?? ???-??? ???????? ?????? ??? ???? ?? ?????? ???-???????? ?????? ???????? ?????? ??? ??? ?? ???? ?????? ??? ?????? ??????-?????? ???? ???? ?? ?????-????????? ?? ???? ?? ???????? ???? ?? ??? ???? ??????? ????-?????????? ?????? ?? ??? ?? ???? ?????? ??? ???????? ???????? ??? ??? ??????-??????? ???? ???? ??? ???? ??? ???? ???? ?????? ????? ????, ???? ???? ??? ???? ?????? ??? ?????? ?? ?????? ?? ??????? ??? ???? ????? ??? ???? ??????? ?????? ?? ????? ????????? ??????" "Table of Contents - Previous Years Paper, 2018; Previous Years Paper, 2016; General Knowledge; Logical Reasoning; Numerical Ability; General Science; History of Indian Railways and DFCCIL; Economics & Marketing; Customer Relations".