Are premier league live streams available on totalsportek ?

Yes. Just like reddit's famous /r/soccerstreams sub, streamers post their links in the matches they are covering. Those also include premier league matches. You can access premier league matches live streams via homepage by scrolling to EPL section or just click on premier league in the top menu bar. Which will take you to the dedicated premier league page.

Are there any free apps to watch Premier League live streams ?

There are many. In fact you can even watch premier league action free or atleast at much cheaper rates via official sources if you dig deep and research about which country has the cheapest premier league football package. Since all networks around the world are obliged to produce online live streams of premier league alongside their TV coverage in countries like India, watching premier league costs next to nothing. All you need is a VPN and set your IP address to India. Then visit india's official premier league broadcast hotstar mobile app or online portal. Pay around 50 rupees (less then a $1) monthly subscription and you are good to go.
Now if you dont want to go through all that for official sources, you can always use to watch EPL action via free live links posted on this site.

What TV Channels coverage is available at totalsportek links

Most of the streamers who post links in epl matches use english channels. These include most UK channels like Sky or BT. But if games are not available on those channels then you have US coverage of NBCSN. SuperSports coverage from South Africa but its in english. Similary beIN Sports has EPL rights in middle-east and these are some of the channels available in the links.

Apart from English any other language coverage available for Premier League

Mostly yes. As we mentioned before we dont generate or post any links. Streamers themselves do just like on any other social channels. Some of the streamers comes from difficult countries like Spain, South America and they usually have Spanish, Portugese or Even French, German and Italian coverage. To find live links in those languages you might have to scroll down to around 20th link to start finding channels other then english.