AI rules are confusing & I've often come across a situation where one section says one thing & another contradicts that with something different. This is carrying on from the government AI days & Tata has yet to change them.

Here is an example from a few years ago:

https://www.flyertalk.com/forum/32384610-post25.html

Just to be sure I would call & then try to get written confirmation regarding the clear interpretation of the fare rules so that you don't face a problem later.