ok i got the task just saw the sneak peek😆
bani n gaurav were called in the confession room they were told they have to answer some question by the viewers
then nithibha read the secret letter to the other housemates they were told that bani n gaurav would answer ur questions u have to ask them such questions due to which their "hidden n true" feelings are revealed.
so may b at the end when housemates r were asked whether gaubani sounded genuine n the housemates said "no" that means they failed to bring out their hidden n true feelings therefore they lost the task😆
rohan may be understood the task n intelligently said yes or may b he really found them genuine because bani kind off sounded genuine she said what she actually feels manveer asked why didn't she interfere n took a stand for lopa during lopa jagga fight she said that she feels its best to avoid a person like her which is actually true she says this openly