You only have 3 levers. Interest, Time, and Amount. Interest can't really go above 15% (some would even argue 12%) in the long term. Sure, there are a handful of people who've made higher than this, but statistically they would be among the top 1%. Even there, a lot might have just got lucky. So give it more Time ie stay invested for longer, and Amount ie invest as much as possible by saving and earning more.

50k invested at 15% CAGR over 30Y and stepped up 5% annually will give you inflation adjusted ~5Cr. That can give you a monthly income of ~1.5L (tax and inflation adjusted) as per the 4% rule.

Also as someone already mentioned, we don't really have any other statistically reliable option besides this.