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

1. The question asks for the exact constitutional status of India on 26th January, 1950, the date when the Constitution of India came into force. 2. The Preamble to the Constitution, as originally adopted, described India as a "Sovereign Democratic Republic". 3. Option (A) is incomplete as it misses 'Sovereign'. 4. Option (B) correctly reflects the original description in the Preamble. 5. Options (C) and (D) include the terms 'Secular' and 'Socialist'. These terms were added to the Preamble later by the 42nd Constitutional Amendment Act, 1976, and were not part of the description on 26th January, 1950. Therefore, the exact constitutional status on that date was a 'Sovereign Democratic Republic'.