Introduction:
The RBI Grade B Exam is a prestigious examination conducted by the Reserve Bank of India for the recruitment of officers in various departments. The vacancies for RBI Grade B Exam are not mentioned separately for candidates from different age groups or experience levels. However, the eligibility criteria for the exam allow candidates from different backgrounds to apply.

Eligibility Criteria:
The eligibility criteria for the RBI Grade B Exam are as follows:

1. Age Limit: Candidates must be between 21 and 30 years of age. Age relaxation is provided for candidates belonging to reserved categories as per government norms.

2. Educational Qualification: Candidates must have a minimum of 60% marks in their bachelor's degree, 12th standard, and 10th standard examinations. For candidates belonging to reserved categories, the minimum marks required are 50%.

Vacancies:
The vacancies for the RBI Grade B Exam are not mentioned separately for candidates from different age groups or experience levels. The vacancies are announced by the Reserve Bank of India based on the requirements of the organization. The vacancies are filled based on the overall merit of the candidates and their performance in the selection process.

Selection Process:
The selection process for the RBI Grade B Exam consists of three phases:

1. Phase 1: Preliminary Examination - This is an objective type examination consisting of multiple-choice questions. It tests the candidate's knowledge in subjects like General Awareness, English Language, Quantitative Aptitude, and Reasoning Ability.

2. Phase 2: Main Examination - This is a descriptive type examination consisting of three papers: Economic and Social Issues, English Language, and Finance and Management. The main exam evaluates the candidate's understanding of the subjects and their ability to analyze and present information.

3. Phase 3: Interview - Candidates who qualify in the main examination are called for an interview. The interview assesses the candidate's personality, communication skills, and knowledge about the banking sector.

Conclusion:
While the RBI Grade B Exam does not mention vacancies separately for candidates from different age groups or experience levels, the eligibility criteria provide an equal opportunity for candidates from diverse backgrounds to apply. The selection process is designed to evaluate the overall merit of the candidates, ensuring a fair and transparent recruitment process. It is advisable for candidates to thoroughly prepare for the exam and stay updated with the official notifications released by the Reserve Bank of India.