i paased group 2 but failed in group 1 , can I join article ship under new notifications?

Yes, you can do so.

Please refer Announcement dated 15 Sept 2017, extract as follows:

Pursuant to the amendment in CA Regulations, 1988, a candidate who has passed either or both the Groups of Intermediate (Integrated Professional Competence) Examination can commence their Practical Training. 

In other words, now students of Intermediate (Integrated Professional Competence) Course can commence their Practical Training even after passing Group 2 or Group 1 or both the groups of Intermediate (Integrated Professional Competence) Examination.