General Awareness (GA) Competitive Exams (SSC, DSSSB, UPSC, RRB, CET, and State Boards) SSC Combined Graduate Level (SSC CGL)
Ans → (a)26th November 1949
Explanation → The Constitution of India was adopted by the Constituent Assembly on 26th November 1949 and came into force on 26th January, 1950.
This question is taken from this post → General Awareness Quiz on Indian Polity and Constitution - attemp/practice