> However, the New Delhi court was never able to make a decision on the matter. The hearings about Sci-Hub were re-scheduled again and again over the course of months and years
Unfortunately this is a common tactic - get a ruling which favors you and then file for delays citing sometimes ridiculous excuse. There is no concept of "justice delayed is justice denied" - lot of cases stay in limbo.
>I'm aware that although the interim order to block the websites was passed, the case itself is not settled. There are currently intervenors in the case, that you can join.
The tactic will remain the same. Keep the case in limbo.
That said, people have the jugaad-mindset so, you can bet if this goes through people will find ways to circumvent at massive scale.