Feel free I will tell you details of UPSC IES exam along with 2015 cut off criteria so that you can check it and remember easily.

Here is the 2015 Cut off
Civil Engineering
IES CUT OFFS GEN OBC SC ST
IES 2015 minimum qualifying marks in Section I (out of 600)
262 228 180 187

Mechanical Engineering
IES CUT OFFS GEN OBC SC ST
IES 2015 minimum qualifying marks in Section I (out of 600)
279 255 182 107

Electrical Engineering
IES CUT OFFS GEN OBC SC ST
IES 2015 minimum qualifying marks in Section I (out of 600)
305 280 240 236

Electronics and Telecommunication Engineering
IES CUT OFFS GEN OBC SC ST
IES 2015 minimum qualifying marks in Section I (out of 600)
325 320 278 247

Eligibility
Age:-
Aspirants aged between Minimum 21 and Maximum 30 years.

Educational Qualification:-
B.E./B.Tech or passed sections A and B of the Institution Examinations of the Institution of Engineers (India) or
Obtained a degree/diploma in engineering from such foreign university/college/institution recognized by the Government of India from time to time.
Passed Graduate Membership Examination of the Institute of Electronics and Telecommunication Engineers (India); or
Passed Associate Membership Examination Parts II and III/Sections A and B of the Aeronautical Society of India; or
Passed Graduate Membership Examination of the Institution of Electronics and Radio Engineers, London held after November, 1959.

Nationality:-
The aspirant must be any one of the following:
A citizen of India
A citizen of Nepal or a subject of Bhutan

Exam pattern
Paper I (Objective type) General Ability Test
(Part A: General English)
(Part B: General Studies) 200 Marks

Papers II & III (Objective type) Civil Engineering/Mechanical Engineering/Electrical Engineering/Electronics & Tele-Communication Engineering 200 Marks for each paper

Papers IV & V(Conventional Type) Civil Engineering/Mechanical Engineering/Electrical Engineering/Electronics & Tele-communication Engineering 200 Marks for each paper

Total marks for written Examination 1000 Marks

Personality Test 200 Marks

PENALTY FOR WRONG ANSWERS:-

Candidates should note that there will be penalty (negative marking) for wrong answers marked by a candidate in the Objective Type Question Papers.