▁Old ▁R avi ▁ ▁S ova ▁Sen ▁as ▁Old ▁M asha ▁ ▁Bi pl ab ▁Das gu pta ▁as ▁the ▁Factory ▁Manager ▁ ▁Sat ya ▁Band op ad hy aya ▁as ▁Deep a ' s ▁Grand father ▁ ▁Production ▁G allen berger ▁first ▁came ▁to ▁India ▁in ▁April ▁ 2 0 0 1 ▁for ▁research ▁and ▁spent ▁around ▁a ▁year ▁and ▁a ▁half ▁research ing ▁and ▁understanding ▁life . ▁He ▁was ▁moved ▁by ▁a ▁radio ▁interview ▁he ▁had ▁earlier ▁heard , ▁of ▁a ▁little ▁girl ▁working ▁as ▁a ▁labor er ▁in ▁an ▁Indian ▁car pet ▁factory ▁which ▁prompt ed ▁him ▁to ▁leave ▁for ▁India ▁and ▁research ▁a ▁story . ▁He ▁set ▁his ▁story ▁in ▁Cal cut ta , ▁which ▁had ▁earlier ▁attract ed ▁ren owned ▁film m akers ▁from ▁all ▁over ▁the ▁world ▁like ▁Jean ▁Ren oir , ▁Roberto ▁Ross ell ini , ▁Louis ▁M alle ▁and ▁Roland ▁J off e ▁to ▁come ▁and ▁make ▁a ▁film ▁in ▁the ▁city . ▁But ▁G allen berger ▁decided ▁that ▁unlike ▁the ▁others , ▁he ▁was ▁going ▁to ▁make ▁it ▁in ▁Beng ali ▁language ▁rather ▁than ▁in ▁English ▁or ▁his ▁native ▁German . ▁The ▁film ▁was ▁partly ▁fund ed ▁by ▁the ▁German ▁government ▁and ▁was ▁produced ▁by ▁Hel mut ▁Diet l ▁and ▁Nor bert ▁Pre uss . ▁Pre uss , ▁in ▁an ▁interview , ▁stated ▁though ▁the ▁story ▁was ▁written ▁in ▁German ▁by ▁G allen berger , ▁the ▁Indian ▁setting ▁and ▁Beng ali ▁language ▁were ▁chosen ▁to ▁maintain ▁authentic ity . ▁ ▁Not ed ▁Indian ▁theatre