Many users report that their 2012 Hindi audio stops working after the first 20 minutes. This happens because of files. An inexperienced uploader may splice a Hindi track from a 2-channel TV broadcast onto a 6-channel BluRay video. The bitrate mismatch causes desynchronization.
If you are looking to these movies (2009–2012) legally, here are your best options: Download 2012 -2009- Dual Audio -Hindi-English-...