The installation was done from command line
sudo apt get-install anki and when tried to run through command line by just typing
anki, it showed the following
Qt warning: QApplication: invalid style override 'adwaita' passed, ignoring it.
Available styles: Windows, Fusion
mpv too old for key rebinding
LaunchProcess: failed to execvp:
PS. Running Elementary OS 5.1.6 Hera btw.