The Hindi dubbing was handled by Sound & Vision India. Gandalf was famously voiced by Shahrukh Khan (not the actor, a popular voice artist of the same name known for Game of Thrones ). Bilbo was voiced by Mohan Kapoor (known for voicing Iron Man). The "Extra" track often contains their unedited, raw takes without background noise compression.
The "Extra" part is critical. The Extended Edition is the definitive version of the film. Without those added 13 minutes, the story feels rushed. Without the 5.1 surround sound, you lose the epic scale. Combining the two—Extended Cut visuals with a lossless, multi-channel Hindi audio track—is the ultimate way to watch the beginning of Bilbo’s journey. The Hobbit An Unexpected Journey Hindi Audio Track -Extra
So, make yourself a cup of tea (or a plate of poha), settle into your armchair, and shout along with the Dwarves: "सड़क लम्बी है, घना अँधेरा... हमारा दिल जले, जैसे हो आग़ाज़ बसेरा..." The Hindi dubbing was handled by Sound & Vision India