Historical NAV of mutual fund

Personal finance
1

I want to redeem my mutual fund units and to calculate my capital gain and losses I want to know the nav at which I have bought my units. How can I know at what nav I have bought my units for the last 3 years?

2

You can view breakdown of your investment in Console.

3

These are not bought via coin but via AMC directly

4

You can find this information on AMFI website.