The National Testing Agency (NTA) has released the final answer key for the DPIIT Mains 2024 examination for the position of Patents and Designs. The Mains Examination, consisting of Paper I and Paper II, was conducted across 107 centers in 71 cities nationwide. Paper I was held in Computer-Based Test (CBT) mode on January 25, 2024, and February 5, 2024, while Paper II was a descriptive test held on the same dates.