Who among the following has been appointed as India’s third Chief of Defense Staff?

Which of the following countries has been designated as the Chair of the Common Criteria Recognition Arrangement? 

Recently, the Union Cabinet approved a proposal to increase the number of Supreme Court judges from 34 to what figure?

Which of the following countries has successfully tested the Sarmat missile, which has been in the news?

From which country does Faustino Oro hail, who has officially become the second youngest Grandmaster in chess history?