Here's the link to a comprehensive document on how to prepare for this exam (with the new pattern). It has been created by my batch-mates. This would be helpful for new aspirants in gaining a perspective :
https://docs.google.com/file/d/0Bx0MqOfev7dnajR3RWxDczc0UjQ/edit?pli=1
https://docs.google.com/file/d/0Bx0MqOfev7dnajR3RWxDczc0UjQ/edit?pli=1