Introduction:
The RBI Assistant exam is conducted by the Reserve Bank of India (RBI) to recruit candidates for the position of Assistant in various branches of the RBI across the country. It is a highly sought-after exam for banking aspirants.

Eligibility Criteria:
To be eligible for the RBI Assistant exam, candidates must fulfill certain criteria set by the RBI. These criteria are as follows:

1. Nationality: Candidates must be a citizen of India, or a subject of Nepal, or a subject of Bhutan, or a Tibetan refugee who came to India before January 1, 1962, with the intention of permanently settling in India, or a person of Indian origin who has 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.

2. Age Limit: The minimum age limit for candidates is 20 years and the maximum age limit is 28 years. However, certain age relaxations are provided for candidates belonging to reserved categories as per government norms.

3. Educational Qualification: Candidates must possess a Bachelor's degree in any discipline from a recognized university or its equivalent. Proficiency in the regional language of the state/UT for which the candidate is applying is also required.

State and Region-wise Application:
Candidates from any state or region in India can apply for the RBI Assistant exam. The RBI releases vacancies for different states and union territories separately, and candidates can choose their preferred state/UT while filling out the application form.

The RBI Assistant exam is conducted on a pan-India level, allowing candidates from all states and regions to participate. The selection process includes a preliminary exam, mains exam, and a language proficiency test. Candidates who qualify all stages of the exam are then appointed as Assistants in various RBI branches across the country.

Conclusion:
Candidates from any state or region in India can apply for the RBI Assistant exam, provided they fulfill the eligibility criteria set by the RBI. It is an excellent opportunity for aspirants looking to join the banking sector and work with the Reserve Bank of India.