The original film language is Hindi. A "dual audio" version would pair this original Hindi track with an alternate language track, such as Tamil or Telugu, which were never officially produced for this film. These tracks are often poorly synced, illegally dubbed by fans, or sourced from unofficial versions, severely impacting the viewing experience.
Here are the confirmed platforms where you can watch Goliyon Ki Raasleela Ram-Leela legally: the goliyon ki raasleela ramleela dual audio 720p full