Final answer:
The Indian Constitution was adopted on 26th November 1949, signifying the framework establishment of India's sovereignty and democracy.
Step-by-step explanation:
Indian Constitution was adopted:
The Indian Constitution was adopted on 26th November 1949, which is option C.After India achieved its independence from British rule on 15th August 1947, the process of drafting a comprehensive constitution began. A Drafting Committee with Dr. B.R. Ambedkar as the chairman was appointed to draft the constitution for the newly independent India. This committee had to craft a constitution that reflected India's diversity and values of democracy, justice, and liberty. After about two years of deliberations and adjustments, the Constitution of India was completed.
It was adopted by the Constituent Assembly of India on 26th November 1949 but came into effect on 26th January 1950, which is celebrated every year as Republic Day. This date marks the transition of India to a fully sovereign republic, confirming its status as a nation with a guiding framework for its polity and governance. Thus, the correct answer to the student's question is C. 26th November 1949, which was a significant step in securing the constitutional foundation of the largest democracy in the world.