Explanation:

- The National Policy for Children was framed in 1974. 

- Option 3: 1974 is the correct answer.

- It was the first comprehensive policy to focus on children's rights and welfare in India.

- Option 1 (1992): No significant framing of the National Policy for Children happened in 1992, though the policy was later revised in 2013.

- Option 2 (1989): This year is notable globally for the UN Convention on the Rights of the Child, but not for the Indian national policy.

- Option 4 (1976): No significant development regarding this policy occurred in this year.