Explanation:

- Option 1: 1950-51: This is incorrect. The first general elections in India were not held during this time.

- Option 2: 1948-49: This option is also incorrect. India was working on drafting its Constitution during this period, which was completed in 1950.

- Option 3: 1951-52: Correct answer. The first general elections in India were held between October 1951 and March 1952. It was a major event as India transitioned to a democracy post-independence.

- Option 4: 1947-48: Incorrect. India gained independence in 1947, and the focus was on establishing a governance framework.