Amitabh Bachchan was recently in Bangalore to promote his upcoming film Rann.  The movie is about challenges and difficulties faced in journalism world.

Rann also stars Riteish Deshmukh, Paresh Rawal, Gul Panag and Manisha Koirala.

The movie, although not release, has already come accross some controversy.

Before its release, the film has landed up in controversy with the title song which has been inspired by the National Anthem, for which the Honorable Supreme Court has banned the promos and the screening of the song in the film. The matter is sub judice and the Censor Board and Ram Gopal Verma are trying to get the matter solved at the earliest.
Wikipedia

Head over to YouTube to see the official trailer.