To apply for the NABARD Grade A vacancies, candidates need to meet certain requirements and qualifications. The National Bank for Agriculture and Rural Development (NABARD) sets these criteria to ensure that only eligible and competent candidates are selected for the positions. Below are the details of the requirements and qualifications for NABARD Grade A vacancies:

Educational Qualifications:
- Candidates must possess a Bachelor's degree in any discipline from a recognized university or its equivalent.
- For specific vacancies, additional educational qualifications may be required. For example, candidates applying for the post of Assistant Manager (Rural Development Banking Service) should have a degree in Agriculture, Veterinary Sciences, Animal Husbandry, Fisheries, Dairy Technology, Horticulture, or any related field.

Age Limit:
- The age limit for NABARD Grade A vacancies is generally between 21 and 30 years. However, please note that age relaxation is provided to candidates belonging to certain categories as per the government rules.

Nationality:
- Candidates must be Indian citizens or hold citizenship of Bhutan, Nepal, or a Tibetan refugee who came to India before January 1, 1962, with the intention of permanently settling in India.
- Additionally, candidates of Indian origin who have migrated from Pakistan, Burma, Sri Lanka, East African countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire, Ethiopia, and Vietnam with the intention of permanently settling in India are also eligible.

Selection Process:
- The selection process for NABARD Grade A vacancies consists of three stages: Preliminary Examination, Main Examination, and Interview.
- Candidates who qualify in the Preliminary Examination are eligible to appear for the Main Examination.
- The final selection is based on the candidate's performance in the Main Examination and Interview.

Other Requirements:
- Candidates must have a working knowledge of computers and should be proficient in the official language of the state they are applying for.
- Some vacancies may require specific skills or experience in the related field. For example, candidates applying for the post of Assistant Manager (Legal Service) must have a degree in Law and relevant experience.

It is important for candidates to carefully read the official notification and understand the specific requirements and qualifications for each vacancy before applying for NABARD Grade A positions.