Where to store your Mutual Funds and SIP's?

[moneyMaker]

There are many apps like groww, coin, kuvera, et money, paytm money.

And we can just buy in broker apps too like zerodha, shoonya? (Nsdl,cdsl)

Then there is CAMS / KARVY .

Also what if I just buy directly on the fund's site?

And what is this statement of account?

How does the options compare?

And we can buy funds with banks and agents?

And to appoint nominee of course