HOW TO Download Hotstar & Other full Video in phone gallery

Hello friends me a big fan Of MaAn (Anupama & Anuj) & ( Pratigya & Krishna) from long back I am an photo editor & Vms maker but had stopped making or editing due to personal Causes . But now again want to start it again pls can anyone of u help me to Download full episode videos of tv show

My new fb page on Facebook is here

https://www.facebook.com/share/1CvDq6YgBH/

Pls reply