He will be seen as Netaji in a new digital series, to be produced by Ekta Kapoor's ALT Balaji. The web series will try to showcase the untold story of Netaji's life.
The actor says he is currently tied up with the shooting of "Behen Hogi Teri", post which he will dive into the web series.
"I am too scared right now. I have to finish 'Behen Hogi Teri' and then get right into that zone to seriously start preparing for it. It is a huge responsibility to play Netaji," Rajkummar told PTI.
"He is a national figure, people love him, I love him. It is very exciting. It's a web series. But the process is the same no matter if it's web or a feature film," he said.
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"I've started reading and researching about it. But since I am currently shooting 'Behen Hogi Teri', I want to finish this one first before starting with my preparation for the other role," he said.
Apart from playing an iconic national figure in the web series, the 32-year-old actor is also excited about "Newton", which he says is a "truly Indian" film.
Directed by Amit Masurkar, "Newton" is about a rookie clerk on election duty in a conflict-ridden jungle of Central India who tries his best to conduct free and fair voting.
Rajkummar says the film talks about democracy and voting rights with a satirical tone.