GATE Electronics and Communication (ECE) Answer Key 2021 [Released]


The purpose of releasing the answer key of Electronics and Communication is to make the candidate aware of the correct answers. This makes the exam transparent and candidate-friendly. The GATE answer key enables the contender to confirm their answers with the ones given by the specialists and compute their scores in the exam to gauge their likely positions.

Here, in this article, candidates can check the complete information of GATE ECE Answer Key 2021.

GATE ECE Answer Key 2021


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Also Check: GATE ECE Cutoff

GATE 2021 ECE Paper Analysis

The GATE ECE Paper Analysis is as given below:

  • The exam was conducted from 3:00 PM to 6:00 PM
  • The difficulty level of the exam was from moderate to difficult
  • The Maths, General Aptitude, Analog Circuits, and EDC sections were fairly easy
  • 10 mark questions were formed from the Engineering Mathematics and Analog Circuits
  • 11 mark questions were formed from the communications
  • 20+ questions were NAT
  • 12 mark questions from both the Control system and electronic devices. Test takers found these questions difficult
  • 6 mark questions from networks and signals & systems eachGATE ECE Analysis

Also Check: GATE Cutoff

GATE Answer Key 2020

The answer key for 2020 has been given below:

GATE Question Paper 2020 (ECE)

GATE Answer Key 2020 (ECE)

Answer Key 2019

How to Calculate Gate Score using the Answer Keys

  • MCQs carrying 1 mark each, 1/3 marks would be deducted as a penalty for marking the wrong answer.
  • For questions carrying 2 marks, 2/3 marks would be deducted for marking an incorrect answer
  • Count the marks gained in the correct answer and deduct the marks lost in incorrect answers due to negative marking
  • GATE Marks = Marks obtained for MCQs + Marks obtained for NAT questions
  • NAT Marks = Total marks (1 mark for each question) + Total marks (2 marks for each question).
  • MCQ Marks: Total marks (1 mark) + Total marks (2 marks)
  • Total marks (1 marks) = 1 x (number of correct answers) – 1/3 x (number of wrong answers)
  • Total marks (2 marks) = 2 x (number of correct answers )– 2/3 x( number of wrong answers)

GATE Helpline 2021

For any kind of query candidates can contact with below details:

1Chairman, GATE
Indian Institute of Science,
Bengaluru 560 012
[email protected]
2Chairman, GATE
Indian Institute of Technology Bombay,
Powai, Mumbai 400 076
022-25767068[email protected]
3Chairman, GATE
Indian Institute of Technology Delhi,
Hauz Khas, New Delhi 110 016
[email protected]
4Chairman, GATE
Indian Institute of Technology Guwahati,
Guwahati 781 039
[email protected]
5Chairman, GATE
Indian Institute of Technology Kanpur,
Kanpur 208 016
0512-2597412[email protected]
6Chairman, GATE
Indian Institute of Technology Kharagpur,
Kharagpur 721 302
[email protected]
7Chairman, GATE
Indian Institute of Technology Madras,
Chennai 600 036
044-22578200[email protected]
8Chairman, GATE
Indian Institute of Technology Roorkee,
Roorkee 247 667
01332-284531[email protected]


It is of utmost importance to analyze the previous years’ question paper to gain a better understanding of the exam. You certainly have a better idea about the nature of the exam. This article helps you to provide question papers along with their respective answer key of the GATE ECE exam 2021.

Do not overlook this part during your preparation.

Good luck!


Education is the passport to the future, for tomorrow belongs to those who prepare for it today.

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