Which of the following states has been ranked first in terms of per capita income in India?

Under the leadership of which of the following countries has the World Artificial Intelligence Cooperation Organization (WAICO) been launched? 

Who among the following has been appointed as the chairman of the ICC Review Governance Committee to improve the rules and administration of cricket? 

With which of the following has the Ministry of Tourism signed an agreement for the digital promotion of Indian tourist destinations?  

On which of the following days is World Population Day observed every year?