JEE Main Answer Key 2025 January Session Updates: The National Testing Agency (NTA) on February 4 released the Joint Entrance Examination (JEE) Main 2025 session 1 provisional answer key at its official website - jeemain.nta.nic.in. The provisional answer key is open for students to challenge answers to questions. The last date to raise objections was February 6. The JEE Main 2025 was held in two sessions two shifts — first from 9 am to noon and the second shift between 3 pm and 6 pm between January 22 and 30. Candidates to challenge the answer keys will need to pay Rs 200 per question, as was finalised by NTA 4 JEE Main exam. To know your JEE Main rank, click here for rank predictor A subject expert panel will then check and analysis the set of challenged questions. Once the process is completed, NTA will release the final answer keys and results. Overall, candidates and experts predict that physics has been the easiest and mathematics challenging in almost all the examination sets.