Raghav,

Raghav Gururajan wrote:
> How to install and enable plugins?

Try installing the "gstreamer", "gst-libav", "gst-plugins-base", 
and "gst-plugins-good" packages.

(I'm an MPV user myself, so the above might be overkill, not 
enough, or anything inbetween.)

Kind regards,

T G-R