The main examination for Examiner of Patents and Design-The answer keys have been released today on 11 February and will end on 13 February 2024. If Candidates are not satisfied with any answer key they can challenge it by paying Rs.200 per answer key.
You can follow the below steps to challenge the answer key
First visit the official website https://exams.nta.ac.in/DPIIT/
Click Challenge(s) regarding the Answer key