Dude
Kindly enlighten me on the french languages proficiency? How difficult is it to score 30 points ? How much preparation does it take ? Please share your experiences
I might not be the best example. My father is French and I've been hovering about B2 level for a long time. I use it mostly to watch YouTube videos in French and to read the occasional book.
The tests the Canadian government ask for are applied with Quebec in mind, so I knew the accent and vernacular would be a challenged and tried to prepare accordingly as I most used to metropolitan French.
I also know Spanish and Portuguese, so French, especially written French, is something that is not too challenging for me. That might be wildly different if you don't know another romance language before getting to learn it.
Overal, you can get a large amount of bonus points if you achieve something equivalent to B2 or C1 level in the test while also having good English scores. If I recall it correctly, B2 can be achieved in about a year and a half of focused study according to the Alliance Française.
If I would give you any tips is that besides studying you should consume as much French content (books, videos, podcasts...) as you can, even if you don't understand it fully. I won't go deep in the linguistic theory behind this, but the general trick is that the more you expose yourself to language that is one step ahead of you, that is, challenging and yet not completely unintelligible, the more you will promote language acquisition.