At which of the following locations did ISRO conduct the second air-drop test for the Gaganyaan mission? 

Which of the following countries has withdrawn its bid to host the COP33 Summit scheduled for 2028?

Which Foundation Day of NATO was celebrated on April 4, 2026?

According to the recently introduced Delimitation Bill, 2026, what is the proposed number of Lok Sabha seats to be increased from the current 543? 

In which language did Vice President C.P. Radhakrishnan recently release the latest edition of the Constitution of India?