Answer:
The NABARD Grade B Exam is conducted by the National Bank for Agriculture and Rural Development (NABARD) to recruit Grade B officers for various positions in the organization. After the completion of the exam, candidates eagerly await the release of the answer key as it helps them to assess their performance and calculate their probable score.

Release Date of Answer Key:
The answer key for the NABARD Grade B Exam is generally released within a week after the exam has been conducted. However, the exact release date may vary depending on the conducting authority and other factors.

How to Access the Answer Key:
Once released, the answer key can be accessed from the official website of NABARD. Candidates can visit the official website and navigate to the "Career" or "Recruitment" section to find the answer key for the Grade B Exam.

Importance of Answer Key:
The answer key plays a crucial role for candidates who have appeared for the NABARD Grade B Exam. It helps them in the following ways:
1. Self-Assessment: Candidates can compare their answers with the ones provided in the answer key to evaluate their performance in the exam.
2. Score Calculation: By referring to the answer key, candidates can calculate their probable score by awarding themselves marks for correct answers and deducting marks for incorrect ones.
3. Identifying Mistakes: The answer key allows candidates to identify any mistakes they might have made while attempting the exam. This helps them in understanding their weak areas and improving their preparation for future exams.
4. Transparency: The release of the answer key ensures transparency in the evaluation process and enables candidates to cross-check their answers with the official ones.

Challenging the Answer Key:
In some cases, candidates may find discrepancies or errors in the answer key. In such situations, the conducting authority usually provides an opportunity to challenge or raise objections against the answer key. Candidates can submit their objections with supporting evidence within a specified time period. The conducting authority then reviews the objections and makes necessary corrections if required.

In conclusion, the answer key for the NABARD Grade B Exam will be released within a week after the exam. Candidates can access it from the official website of NABARD. The answer key is important for self-assessment, score calculation, identifying mistakes, and ensuring transparency in the evaluation process. If there are any discrepancies, candidates can challenge the answer key by submitting objections with supporting evidence.