Mumbai, Feb 26 (IANS): Actor Sushant Singh Rajput, who made a successful Bollywood debut with "Kai Po Che", says he has delivered his career's best performance in his forthcoming film "Detective Byomkesh Bakshy!".

Talking about the crime thriller, directed by Dibakar Banerjee, Sushant said: "I don't know if it's the toughest film till date or not, but one thing I can assure you of is that in my area of acting in TV and films, I have never given so much to a film."

"I've never approached a character like the way I've done in this film...Thanks to the script and thanks to the filmmaker I had in the film, Dibakar Banerjee...he is a genius," added Sushant while promoting the movie here Wednesday.

Sushant also hopes that the audience will like the film and his work in "Detective Byomkesh Bakshy!".

"One thing I assure you of this is my best performance till date. So, please come and watch the film. I'm so sure that all of you will like it," he added.

"Detective Byomkesh Bakshy!" is based on the fictional detective Byomkesh Bakshi created by the Bengali writer Sharadindu Bandyopadhyay. The movie is slated to release April 3.