Ca final registration

Kalki Vital Narayanam (CA Final Student) (121 Points)

26 October 2016  
I have completed my IPCC Group-1 in Nov 2014 and Joined Articles after clearing my 2nd Group of IPCC in May 2015, I havent registered to CA Final until now, My attempt will be in May 2018. What is the right time to get Registered for CA Final? please help to resolve this.