The 10-minute film, directed by Sudhir, also stars Manu Rishi Chaddha and Vipin Sharma.
"Kirchiyaan is that 10-minute conversation between characters which was overdue for 10 years. And it is by sheer luck that they end up at the same place where they have this conversation and whether it is a solution for all their problems or not is something for the audience to mull over.
"This film is an interesting experiment. And I thoroughly enjoyed working in it," said Sushant.
He has starred both in commercial and art house films and says 'Kirchiyaan' gave him the chance to satiate the actor inside him.
"I am not saying it is rare, but it's a definite delight to be involved in a film, whether full-fledge or short doesn't matter, that gives you the creative satisfaction.
"Actors are insatiable! It is very hard to satiate an actor in a commercial film where he is trying to do something that his audience likes to see him do. But then comes a chance to do something for self-satisfaction and Kirchiyaan is that for me," said Sushant.
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The 40-year-old actor, who started his career with English language feature film "Ambedkar" a decade ago, has become popular with his strong supporting roles in flicks like "Josh", "The Legend of Bhagat Singh", "D" and many more.
Sushant is going to start shooting for Vikram Bhatt's 'Hate Story 2' and Yash Raj Film's 'Gundday'.