The selection for IES officer depends upon three stages i.e. Prelims, Main, and Interview.
Prelims-Stage:
It is the first stage in the form of a written examination. There are 2 objective papers here.
Mains-Stage:
Here, the exam has two conventional papers: (as per the engineering field).
Personal Interview-Stage:
Out of the aggregate score of 1300, the top 10 rankers usually score around 60-65% of the aggregate.
Tentative Timetable:
The final selected candidates undergo medical fitness tests and thereafter are issued the appointment letter.