As a 22M, is my investing approach right?

Hi, i’m a 22M and i started investing last month. I have opened a SIP (with a long term goal of at-least 10yrs) Now I want to invest a lump sum directly in nifty based on market performance- not trading but investing Right now my knowledge for the same is not great so I am using varsity to understand the basics and learn macro analysis. I might start another sip with a goal of 2-3 years but I don’t wanna do it until late this year because, first, i don’t wanna pay those fund management fees, and second- i want to keep my money somewhat handy (don’t wanna pay those exit loads either). Does my approach seem right? What other resources can I use to learn better?