IES Examination Pattern
Engineering Services Examination 2025 shall be conducted according to the following plan:
The examination shall be conducted according to the following plan:
(i) Stage-I: Engineering Services (Preliminary/Stage-I) Examination (Objective Type Papers) for the selection of candidates for the Stage-II: Engineering Services (Main/Stage-II) Examination;
(ii) Stage-II: Engineering Services (Main/Stage-II) Examination (Conventional Type Papers) and;
(iii) Stage-III: Personality Test.
1. Stage I (IES Preliminary):
The Engineering Services (Preliminary) Examination will consist of two objective type (multiple choices) questions papers and carrying a maximum of 500 marks (Paper 1 – 200 Marks & Paper II – 300 Marks).
Only those candidates who are declared by the Commission to have qualified in the Preliminary/Stage-I Examination in the year will be eligible for admission to the Main/Stage-II Examination.
The Marks obtained in Preliminary/Stage-I Examination by the candidates who are declared qualified for admission to the Main/Stage-II Examination will be counted for determining their final order of merit. The number of candidates to be admitted to the Main/Stage-II Examination will be about six to seven-time the total approximate number of vacancies to be filled in the year through this examination.
Note:
- The Commission will draw a list of candidates to be qualified for Engineering Services (Main/Stage-II) Examination based on the criterion of minimum qualifying marks in General Studies and Engineering Aptitude Paper (Paper-I) and Engineering Discipline specific paper (Paper-II) of Preliminary/Stage-I Examination.
- There will be penalty (Negative Marking) for wrong answers marked by a candidate in the objective type question papers.
- There are four alternatives for the answers to every question. For each question for which a wrong answer has been given by the candidate, one-third (1/3rd) of the marks assigned to that question will be deducted as penalty
- If a candidate gives more than one answer, it will be treated as a wrong answer even if one of the given answers happens to be correct and there will be the same penalty as above for that question
- If a question is left blank i.e.
no answer is given by the candidate, there will be no penalty for that question
2. Stage II (IES Mains):
The Engineering Services (Main/stage-II) Examination will consist of two conventional type papers in Engineering Discipline specific with duration of three hours and maximum marks of 600 (300 Marks in each paper).
3. Stage III (Personality Test):
The Personality Test carrying 200 Marks and special attention will be paid to assessing the candidate’s capacity for leadership, initiative and intellectual curiosity, tact and other social qualities, mental and physical energy, powers of practical application and integrity of character.
IES MAIN EXAM BRANCH CODES
| CIVIL ENGINEERING | |
| SUBJECT | CODE NO. |
| Civil Engineering Paper - I (CONV.) | 13 |
| Civil Engineering Paper - II (CONV.) | 14 |
| MECHANICAL ENGINEERING | |
| SUBJECT | CODE NO. |
| Mechanical Engg. Paper - I (CONV.) | 23 |
| Mechanical Engg. Paper - II (CONV.) | 24 |
| ELECTRICAL ENGINEERING | |
| SUBJECT | CODE NO. |
| Electrical Engg. Paper - I (CONV.) | 33 |
| Electrical Engg. Paper - II (CONV.) | 34 |
| ELEC. & TELECOM. ENGINEERING | |
| SUBJECT | CODE NO. |
| Elec. & Telecom. Engg. Paper - I (CONV.) | 43 |
| Elec. & Telecom. Engg. Paper - II (CONV.) | 44 |
IES Examination Subject Papers, Categories, Duration, and Maximum Marks:
1. Stage I (Preliminary) Examination:
The examination comprises of two papers
| Subject | Duration | Maximum Marks |
| Category-I Civil Engineering | ||
| Paper-I (General Studies and Engineering Aptitude) | 2 Hrs | 200 |
| Paper-II (Civil Engineering) | 3 Hrs | 300 |
| Total | 500 | |
| Category-II Mechanical Engineering | ||
| Paper-I (General Studies and Engineering Aptitude) | 2 Hrs | 200 |
| Paper-II (Mechanical Engineering) | 3 Hrs | 300 |
| Total | 500 | |
| Category-III Electrical Engineering | ||
| Paper-I (General Studies and Engineering Aptitude) | 2 Hrs | 200 |
| Paper-II (Electrical Engineering) | 3 Hrs | 300 |
| Total | 500 | |
| Category-IV Electronics & Telecommunication Engineering | ||
| Paper-I (General Studies and Engineering Aptitude) | 2 Hrs | 200 |
| Paper-II (Electronics & Telecommunication Engineering) | 3 Hrs | 300 |
| Total | 500 |
2. Stage II (Mains) Examination:
The examination comprises of two papers
| Subject | Duration | Maximum Marks |
| Category-I Civil Engineering | ||
| Paper-I (Civil Engineering) | 3 Hrs | 300 |
| Paper-II (Civil Engineering) | 3 Hrs | 300 |
| Total | 600 | |
| Category-II Mechanical Engineering | ||
| Paper-I (Mechanical Engineering) | 3 Hrs | 300 |
| Paper-II (Mechanical Engineering) | 3 Hrs | 300 |
| Total | 600 | |
| Category-III Electrical Engineering | ||
| Paper-I (Electrical Engineering) | 3 Hrs | 300 |
| Paper-II (Electrical Engineering) | 3 Hrs | 300 |
| Total | 600 | |
| Category-IV Electronics & Telecommunication Engineering | ||
| Paper-I (Electronics & Telecommunication Engineering) | 3 Hrs | 300 |
| Paper-II (Electronics & Telecommunication Engineering) | 3 Hrs | 300 |
| Total | 600 |
3. Stage III (Personality Test) - 200 Marks:
The candidates must write the papers in their own hand. In no circumstances will they be allowed the help of a scribe to write the answers for them. However, blind candidates and candidates with Locomotor Disability and Cerebral Palsy where dominant (writing) extremity is affected to the extent of slowing the performance of function (minimum of 40% impairment) will be allowed to write Engineering Services Examination with the help of a scribe.


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