In the history of cricket, which position does Indian cricketer Virat Kohli hold in terms of scoring the most runs?

The book titled ‘Sing, Dance and Lead’, which was launched by Vice President CP Radhakrishnan, was written by whom?

Which of the following has launched the Seawater Desalination System (SWaDeS) to meet the drinking water needs of military personnel deployed in challenging environments?

Which country has the United States recently invited to join the Pact of Silica? 

Which of the following has become the world’s largest electrified rail system?