In the first season of Caribbean Premier League, the match tickets will not be available online for purchase. You have to go to the venue of Caribbean Premier League matches and have to buy the tickets offline.
This is very disappointing to know that CPL T20 2013 tickets are not available online. Hope they will start selling CPL T20 tickets online from the next season i.e. from 2014.
Read these posts if you are willing to buy CPL Tickets offline.