Oracle Certified Professional

To become a OCP you have to pass three exams conducted by Oracle University.
They are 1z0-007, 1z0-042, 1z0-043.
While appearing for these exams you have to undergo one Instructor Lead Training from Oracle University. Don't do the course from the partners better register yourself directly to the Oracle university, Bangalore.

For Certification path, pls refer this link

http://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=151

Best of luck