to "capture [Nargis's] essence, the core of her being". Regarding Koirala's costume, Lakhani stated that Nargis' "iconic images" were taken and she then "recreated a look on that from every curl or twist in the hair to the way the body was or the makeup". Vicky Kaushal whose "character's name is Kamlesh and is "more like a brother" to Dutt revealed that he "went to Surat to study the body language and mannerism of Gujaratis" as his character, although originally from India has been living in America for the maximum time so "his Gujarati was ought to fade with time." He also revealed that he went through a "huge physical transformation" by losing weight to "look like a lean young Gujarati guy to an aged man of the present time". He also stated that "losing and gaining weight [brought a] change in the body language" which thus enabled him get the "right look" and thus "perform better". Paresh Rawal expressed that he prepared for his role by trying to "maintain a distance off camera" with Kapoor in order to "stay true to the character". He further added that "we were not pals who would chat together in between the shots" which went on to embody the real life relationship between Dutt and his father as Sunil Dutt "loved his son to death but never had a friendly equation with [him]". Rawal also stated that he could not "look like Sunil Dutt" following the look tests but had to "portray the emotions, the 'jazba' (passion) that he had for the country, for his family and for his son". Dia Mirza however, stated that she prepared to play the role of Dutt's wife through "workshops and look tests" but also by studying some of the "news clips released around the time" as well as "her interviews" and "body language". Mirza also stated that she "wanted to understand Maanayata as a wife, woman and mother handled the public scrutiny that she was subjected to". She added that she mainly focussed on "understanding and being honest to the emotion more than anything else." Mirza also revealed that she had to "dye [her] hair jet black" and eventually saw herself as Manyata Dutt once she "placed that mole on my face and saw myself in the mirror" as she saw Maanayata in her "reflection." Mirza, also revealed that Maanayata was a "rock" in Dutt's life