I came across two great blogs saying VMware is providing free VCA exam voucher. It is true!! As I tested it, and fortunately passed the VCA-Cloud exam. Not high score though, but still happy considering I only spent 2 hours on the online training.
Online training & How to register: http://www.perfectcloud.org/certification/vmware-certified-associate-vca-exams-now-available/
Updates on 06/11/2013: Passed the VCA-WM