Investing for the future as a student

Hi guys, I am a first year student doing my bsc in data sci and artificial intelligence. I am blessed and privileged to get enough pcoket money every month, and I want to invest around 2k maybe 3k a month every month till I finish my bachelor's in a mutual fund or sip. I am doing this so I have some money to use for anything in the future. for example, I plan om doing my masters and taking a loan on to complete it. i wish to use this money I have from investment to pay off a bit of that loan before I have to start repaying the loan, so the principal amount is lower on interest. (i hope this makes sense) I thought of a 60-30-10 plan (60% in Large Cap, 30% in midcap and 10% in small cap), however Id love to hear what you all have to say about what I'm thinking. thanks guys :)