Complex sentence: Deepika claims that, according to her contract, Ekta would show her the film before its premiere to ensure Deepika was not picturised in a negative light.
Split into simpler sentences: Deepika claims that according to her contract, Ekta said she would see the film before the premiere. Deepika and Ekta agreed that Deepika would see the film before the premiere to see if they picturised her in a negative light.