How much leave is an article eligible for?

I was searching the ICAI website for confirming the number of leave days entitled and I came across two different links; one says leave entititled is 1/7th of actual period served and the other link says 1/6th of actual period served..which is right??

Here's the links..

https://www.icai.org/post.html?post_id=813

https://icai.org/post.html?post_id=135