Step 1: Understanding the Concept:
The question asks for the year India joined the United Nations (UN), a global organization founded to promote international cooperation.
Step 2: Detailed Explanation:
The United Nations was officially established on October 24, 1945.
India was a founding member of the United Nations. Although India was still under British rule at the time, it was one of the original 51 signatories of the UN Charter.
India signed the UN Charter on June 26, 1945, and formally joined the organization on October 30, 1945, a few days after its official establishment.
This occurred before India gained independence in 1947.
Step 3: Final Answer:
India was a founding member of the United Nations in the year 1945. Thus, option (A) is correct.