Niche piracy sites often develop a cult following. Users recall that "onlinemovieshindicom" had a specific file size or compression quality for Tum Bin 2 that they preferred. When the site goes down, they keep typing the old URL hoping for a mirror link.
Here is the irony: You don't need the because the movie is widely available for free or cheap on legitimate platforms. onlinemovieshindicom tum bin 2 link
To understand the search volume, you need to understand the film. Tum Bin 2 (2016) was the highly anticipated sequel to the 2001 cult classic Tum Bin —a film famous for its melancholic music and the iconic line "Koi Fariyaad..." Niche piracy sites often develop a cult following