There's a youtube channel called every paisa matters, I watched its playlist to understand different instruments.
Create an excel sheet that includes your income, expenses, monetary goals. How do you want to invest, what things do you want to buy.
Also mention the reason for investment and your thinking behind.
Also first create an emergency corpus.
Buy health and term insurance
Once it's done, then until you have concrete plan then you can park your money in nifty or debt funds.
There's also a youtube channel fix your finance
Where he advices on how to financial strategies based on your income and life condition