When I started investing in MFs 3 years ago, I went to Zerodha Varsity. Would still recommend to check it out. There's a section on Personal Finance which talks just about Mutual Funds and that too in great depth.
It's the most in-depth resource that I've ever read. Would recommend it everytime.
Did reading all that info comes to my use everyday though? Nah. But yeah, it definitely helped me to finalize the funds that I'd want to invest in (which is very important).
It took me 2 months to finish it entirely (I had 0 clue and was very laid back initially. Used to read a chapter or 2 every weekend).
Looking back, what I would have recommended my younger self would be that in the meantime I finish reading all the chapters, I would still invest some portion of my investments in a Nifty-50 index fund. It's there in my portfolio now and I'm sure it's there in almost 90% of others too. Pretty sure you would have it in yours too. So why wait till getting a decent amount of knowledge when you can start earlier?
P.S. This is what I would have told my younger me. You don't need to if you're unsure.
P.P.S: I said above that knowledge won't be used everyday. But I'm sure you would probably want to know more and would rely on Youtube to learn more. The knowledge you gained would help you to decipher things pretty easily that folks share in their videos and understand if that YouTuber is really adding value or giving generic 'gyaan' which can be avoided.
Also, it would help you not to be scammed by your relatives and such...
Let me know if you want to know anything more.