World Cup Team Selection: Who gets the ticket to America?

As the IPL approaches midway mark, the debate for the who goes to the World Cup is gaining traction. Every week some new name in thrown into the mix. But what goes behind the selection process? What is team management's thinking about it? The hottest topic of discussion is who are the two wicketkeeper batters in the side? Has Shivam Dube confirmed his ticket to America?