India, Oct. 6 -- Rajkummar Rao is no stranger to physically disappearing into his characters, but his transformation for Prahaar: The Untold Story of Ujjwal Nikam may be among his most striking yet. The actor underwent a major physical change to play the veteran public prosecutor where he reportedly gainied around 9 to 10 kilograms, changed his hairline and adopted a heavier appearance for the role.

Nikam is particularly known for prosecuting the 26/11 Mumbai terror attacks case, including the trial of Ajmal Kasab.

The transformation first caught public attention when Rao appeared with a noticeably fuller face, thinner hair and a different overall look. While fans speculated about the sudden change, the actor clarified that it was all p...