The UPSC IES Examination shall be conducted according to the following plan:-
Part I—The written Examination will comprise two sections—Section I consisting only of objective types of questions and Section II of conventional papers. Both Sections will cover the entire syllabus of the relevant engineering disciplines viz. Civil Engineering, Mechanical Engineering, Electrical Engineering and Electronics & Telecommunication Engineering. The standard and syllabi prescribed for these papers are given in Schedule to the Appendix. The details of the written Examination i.e. subject, duration and maximum marks allotted to each subject are given in para 2 below.
Part II—Personality test carrying a maximum of 200 marks of such of the candidates who qualify on the basis of the written examination.
for complete notification check out UPSC Engineering Services Exam 2011