Howdy, Mahendra. Congrats for finishing the assignment. I know it is hard work!
Well, I'm not sure if what you did is the correct way to proceed. I think you have to take the essay exam before submitting the project. Anyway, please take a look
here. This
thread shows the correct procedure to submit the assignment and to take the essay exam.
Cheers, Roberto Perillo
SCJP, SCWCD, SCJD, SCBCD