Hi
@Shaheen!
The report by Atomic Bulletin is based on open source literature and extrapolations based on their analysis. Out of all the missiles mentioned above, only A-5 and K-4 are not in service, whereas A-4 and K-15 have already entered production phase. And to be honest, I would not lend any credence to AL-jazeera report-- it is at best a "media-report".
Also, the report do not take into account the fact that A-5 and K-4 have almost cleared all the trials and would hit production by the end of this year or early next year. Design wise, both these systems have cleared all the hurdles and have performed satisfactorily, what is under development now are A-6 and K-5.