Team learned its lesson: Rajkummar Rao on Dada biopic poster backlash. Rajkummar Rao, promoting Prahaar, addressed criticism of the Dada biopic poster released on Sourav Ganguly's birthday. He said the team 'learned their lesson' about not rushing. Rao also shared that Ganguly was very open during their meetings, even shooting at Eden Gardens and Ganguly's home for the film.