When were the fundamental duties included in the Indian Constitution?

Where is the headquarters of International Monetary Fund?

In which year was the Marley-Minto Reform Bill passed?

Which of the following were not included at the time of formation of the constitution-

For how many years does citizenship expire after being outside continuously?

How many General Elections to the Lok Sabha have been held till April 2022?

The vacancy of the office of the President must be filled within–

Which Schedule of the Constitution has 22 regional languages included?