India, June 23 -- June 24 marks ten years of the release of the acclaimed psychological thriller Raman Raghav 2.0, a film that remains one of the most unsettling and unforgettable crime dramas in modern Indian cinema. Directed by ace filmmaker Anurag Kashyap, the film featured a career-defining performance from Nawazuddin Siddiqui as the ruthless serial killer Raman, a character whose disturbing worldview continues to haunt audiences even a decade later.

While the film earned praise for its dark storytelling and atmospheric filmmaking, much of its impact came from Nawazuddin Siddiqui's fearless portrayal of a man who kills without remorse or justification. To prepare for the role, the actor adopted an unusual method that helped him immer...