Dabangg theme seems to be inspired/copied from Malaguena by Brian Setzer from the Robert Rodriguez directed Once Upon a Time in Mexico starring Antonio Banderas. Here is Malaguena by Brian Setzer. Thanks to Shinji.
And here is the Dabangg theme for comparison.
Tags: Abhinav Kashyap Antonio Banderas Brian Setzer Copied Dabangg Exclusive Inspired Malaguena Once Upon a Time in Mexico Plagiarism Robert Rodriguez