There is no official "Dabangg 2" game. These are typically pirated copies of GTA: Vice City with modified textures and sounds.
Many sites offering "free downloads" for GTA mods bundle their installers with malware , adware , or viruses . gta-dabangg-2-pc-game-free-download
Some textures and billboards are updated to reflect Indian settings or movie posters. There is no official "Dabangg 2" game