"I am very fussy about details. Even if a gasp seems to be out of place in a frame, I go on and on unless it is corrected and Bumbada (Prosenjit) knows that," Srijit told PTI here.
"I liked the way he requested me one October morning for re-doing voice-over in some parts of Jaatiswar and we were through in early afternoon. When Srijit is struck with something, he will get it done," Prosenjit said approvingly.
"Since that is not possible in films I have devised a way. If I feel like changing or re-doing some parts even after release in theatres, I don't refrain. I do that for DVDs and festival cuts (for releasing in film festivals)," he said.
Srijit, who would, however, rate Jaatiswar as the best among his films since debut Autograph days, said it was a juxtaposition of two ages, two separate voyages.
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The 'Hemlock Society' maker recalled how Prosenjit took a gap of three weeks to prepare himelf for the role and cropped his hair in an odd manner and skipped meals to perfect the look of a 'marginalised' person.
"To bring out that vulnerability, he even forbade the entry of his bouncers to the set and was strangely silent in between shots," the 'Mishawr Rawhosyo' maker said.
Coming to the film's music, Srijit called it a 'milestone' with the ecletic mix of modern Bengali songs, Spanish folk tunes, as well as the old age Bengali folks and kawalis.
"There is a trace or reference in our DNA chromosome to what our great great grandparents used to do. It comes down to our passion, hobies and vocation in some way or the other. This could be one reason for me taking up Jaatiswar," he said.