The Indian Institute of Technology, Bombay has opened the challenge window for the GATE (Graduate Aptitude Test in Engineering) 2021 answer key on its official website. The candidates who appeared in the GATE 2021 exam have the opportunity to raise the objection by providing pertinent representation online on the official website at gate.iitb.ac.in.

An amount of Rs. 500 per question will be charged on the GOAPS portal using their provided login credentials. The answer key and question number must be as published and not according to the candidate's response sheet.

The GATE 2021 result is scheduled to be released on March 22, 2021.

Following are the steps to challenge the GATE 2021 answer key:

• Visit the official website at gate.iitb.ac.in and click on the link 'To Challenge/ Contest the Questions/ Answer Keys of GATE 2021-Click Here'.

• Fill in the Enrollment ID and password.

• Select the question and make the payment. Attach the required documents also.

• Submit.

The direct link to challenge the answer key/ questions is also given: GATE 2021 Questions/ Answer Keys Link.