What was the exact constitutional status of India on 26th January, 1950?

The correct answer is A Sovereign Democratic Republic.

Step-by-Step Explanation:

1. Historical Context of January 26, 1950:
On 26th January, 1950, the Constitution of India officially came into force, declaring India a Republic. At the time of its adoption, the Preamble declared India to be a "Sovereign Democratic Republic".

2. subsequent Amendments:
The terms "Socialist" and "Secular" (as well as "Integrity") were added to the Preamble later by the 42nd Constitutional Amendment Act of 1976.

3. Conclusion:
Therefore, on 26th January 1950, prior to the 42nd Amendment, the exact constitutional status of India was a Sovereign Democratic Republic.