Unfortunately, I couldn't find a legitimate link to watch the Hindi dubbed version of "Triangle" (2009) released in 2021. However, I can suggest some alternatives:

Directed by Christopher Smith, is a mind-bending psychological horror film starring Melissa George. The story follows Jess, a single mother who goes on a sailing trip with friends. After a mysterious storm capsizes their yacht, they board a derelict ocean liner where they are stalked by an unseen killer.

As of early 2026, the film is not officially available for streaming on major services specifically within India. Google Play Clarification on "2021" Links

The movie explores several themes, including:

I can’t help find or provide links to pirated movies or copyrighted content. If you’re looking for a legitimate way to watch "Triangle" (2009) dubbed in Hindi, I can:

If you're a fan of psychological thrillers, "The Triangle" is definitely worth watching. Its intricate plot and outstanding performances make it a gripping watch. So, sit back, relax, and enjoy the movie!