trading

I want to invest in Foregin Stocks, bonds and Mutual Funds. Which is the best platform over all after calcuating all the charges they deduct like, depositing money, withdrawing money, trading charges, etc.

I do want to open an demat account for my family member who is currently a minor. So, I have scrolled on yt a lot but I was unable to find any related info. Do anybody have an idea how I can do and most importantly how I can proceed with???

Which the 100% legal forex app or broker in India with lowest transaction fees ?