Explanation:

- The National Bank for Agricultural and Rural Development (NABARD) was set up to promote sustainable agriculture and rural development in India.

- Option 1: 1962

- This was not the year NABARD was established. It was other institutions that began during this period.

- Option 2: 1972

- This option is incorrect. NABARD was conceptualized in a different framework during the 1970s.

- Option 3: 1982

- This is indeed the correct year when NABARD was officially established under a special act by the Indian Parliament.

- Correct Answer: 1982

- Option 4: 1992

- This is incorrect since NABARD was already functioning by this time.