Yes, the cut-off marks can vary for different posts or disciplines in the NABARD Grade A Exam.

There are multiple factors that contribute to the variation in cut-off marks for different posts or disciplines in the NABARD Grade A Exam. These factors include:

1. Number of Vacancies:
The cut-off marks for different posts or disciplines can vary based on the number of vacancies available for each post. If there are a limited number of vacancies in a particular post, the competition for that post may be higher, leading to a higher cut-off.

2. Difficulty Level of the Exam:
The cut-off marks can also vary based on the difficulty level of the exam. If the exam is more difficult, the cut-off marks may be lower as the overall performance of the candidates may be affected. On the other hand, if the exam is relatively easier, the cut-off marks may be higher.

3. Reservation Policy:
The cut-off marks for different posts or disciplines can also vary based on the reservation policy. Different categories such as General, OBC, SC, ST, and PwD have different reservation percentages. The cut-off marks for each category may vary depending on the number of candidates from each category and their performance in the exam.

4. Post-specific Requirements:
Certain posts or disciplines may have specific requirements or qualifications, which can affect the cut-off marks. For example, if a post requires specialized knowledge or skills, the cut-off marks may be higher as the competition among candidates possessing those skills would be intense.

5. Previous Year's Cut-off:
The cut-off marks for different posts or disciplines can also be influenced by the previous year's cut-off. The conducting authority may consider the previous year's cut-off as a benchmark while determining the cut-off for the current year. If the performance of candidates is better than the previous year, the cut-off may be higher.

It is important for candidates to be aware of these factors and prepare accordingly for the NABARD Grade A Exam. Understanding the variation in cut-off marks can help candidates set realistic goals and strategize their preparation effectively.