Time gap for final registration

there is no time limit but make sure that you are registered atleat six months before the exam  so that you dont have tension for registration  at exams time and will also eligible for exam application gud luck

There is no last date of registration.

But Better register in last week of Jan 2017 so that you will get updated study materials and Exam forms of May 2017 attempt will be available from 2nd week of Febuary.