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GATE Environmental Science and Engineering Exam Pattern 2027

GATE ES (Environmental Science and Engineering) 2027 is a 3-hour Computer-Based Test (CBT) carrying 100 marks. The paper comprises 15 marks for General Aptitude, 13 marks for Engineering Mathematics, and 72 marks for the core Environmental Science and Engineering (ES) subject. Check the complete exam pattern, question-wise marks distribution, and negative marking scheme here.
authorImagePratibha Bohra25 Jul, 2026
GATE ES Exam Pattern

GATE ES Exam Pattern 2027 is one of the first things candidates preparing for the Environmental Science and Engineering (ES) paper should understand before they start their preparation. 

Knowing the exact structure of the paper, how many marks come from General Aptitude, how many from Engineering Mathematics, and how many from the core subject, helps candidates plan their study time more effectively.

Here, you can check the complete GATE ES Exam Pattern 2027, including the mode of examination, question types, marks distribution, and marking scheme, as released by the conducting authority.

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GATE ES Exam Pattern 2027 Overview

Before starting preparation, candidates should go through the following key details of the GATE ES question paper pattern:

Particulars

Details

Mode of Examination

Computer-Based Test (CBT)

Language of Examination

English

Duration

3 Hours*

Number of Papers (Subjects)

30 test papers

Sections

General Aptitude (GA) + Candidate's Selected Subject(s)

Type of Questions

Multiple Choice Question (MCQ), Multiple Select Question (MSQ), Numerical Answer Type (NAT)

Testing of Abilities

Recall, Comprehension, Application, Analysis & Synthesis

*See the note on compensatory time for PwD candidates at the end of this article.

GATE ES Marks Distribution 2027

GATE ES falls in the group of papers where the subject questions include Engineering Mathematics as a paper-specific component (unlike papers such as AR, CY, DA, EY, GE, GG, MA, PH, RA, ST, XH, and XL, which do not carry a separate Engineering Mathematics section). For GATE ES, the marks are distributed as follows:

Section

Marks

General Aptitude

15 marks

Engineering Mathematics

13 marks

Subject Questions (Core ES)

72 marks

Total

100 marks

GATE ES Question Paper Pattern 2027

The table below shows how GATE ES fits into the official GATE 2027 paper structure, alongside other papers that follow the same pattern:

Paper Code

General Aptitude (GA) Marks

Subject: Common Section

Subject: Optional Section(s)

Total Marks

Total Time (Minutes)

AE, AG, BM, BT, CE, CH, CS, EC, EE, ES, IN, ME, MN, MT, NM, PE, PI — Subject marks in these papers include questions on Engineering Mathematics (13 marks), which are paper-specific

15

85

--

100

180

GATE ES Marking Scheme 2027

The GATE ES 2027 marking scheme explains the distribution of 1-mark and 2-mark questions while assessing candidates on recall, comprehension, application, and analytical skills. 

  • Questions in the GATE ES paper carry either 1 mark or 2 marks.

  • Candidates are tested on four core abilities: Recall, Comprehension, Application, and Analysis & Synthesis.

GATE ES Negative Marking 2027

Negative marking in GATE ES applies only to MCQs:

  • For a 1-mark MCQ, 1/3 mark is deducted for a wrong answer.

  • For a 2-mark MCQ, 2/3 mark is deducted for a wrong answer.

  • There is no negative marking for wrong answers to MSQ or NAT questions.

  • There is no partial marking in MSQ.

Compensatory Time for PwD Candidates

As per O.M. F. No. P-13013/75/2023-Policy-DD-III dated August 01, 2025, a PwD candidate in the category of blindness, locomotor disability (both arms only), and cerebral palsy can request compensatory time of one hour upon production of a valid disability certificate/UDID card. For all other specified disabilities, compensatory time will be allowed on production of a certificate confirming that the candidate has a functional limitation to write, caused by the specified disability. Candidates should refer to Appendix-B1 of the official notification for complete details.

Get Preparation Support from PW for GATE ES

Physics Wallah offers comprehensive preparation support for GATE ES aspirants through organized courses, expert faculty, practice material, mock tests, and previous year questions.

Feature

Details

Course

GATE ES Online Coaching

Mode

Live + Recorded Classes

Study Material

Notes, PDFs & Practice Questions

Practice

Mock Tests & Previous Year Questions

 

GATE ES Exam Pattern 2027 FAQs

What is the total duration of the GATE ES exam?

The GATE ES exam is 3 hours long, conducted as a Computer-Based Test (CBT).

How many marks does the GATE ES paper carry?

The GATE ES paper carries a total of 100 marks — 15 marks for General Aptitude, 13 marks for Engineering Mathematics, and 72 marks for core subject questions.

Is there negative marking in GATE ES?

Yes, negative marking applies only to MCQs — 1/3 mark is deducted for a wrong answer in a 1-mark MCQ, and 2/3 mark for a 2-mark MCQ. There is no negative marking for MSQ or NAT questions.

Does GATE ES include Engineering Mathematics?

Yes. Unlike papers such as CY, DA, EY, MA, PH, and ST, the GATE ES paper includes a paper-specific Engineering Mathematics component worth 13 marks within its 85-mark subject section.

Is compensatory time available for PwD candidates in GATE ES?

Yes, eligible PwD candidates can request one hour of compensatory time as per the official O.M. dated August 01, 2025, subject to producing a valid disability certificate/UDID card.
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