Indian Foreign Service its background division of cadre duties post varities salary

UPSC IFS its background/division of cadre/ duties/post varities salary banglate
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1.upsc exam background
2.ifs training college foreign service institute,new delhi and Sushma Swaraj Institute of Foreign Service (SSIFS)
3.ifs duties
4.ifs association
5.ifs cadre dividation
6.ifs day
7.ifs salary in foreign posting
8.ifs rank structure in embassy and foreign ministry
9.foreign secretary of india
10.ifs headquarter
11.ifs's administrational head