Bani & roshini are step sisters

I Think Kiran and Roshini were real sisters and bani is their step sister.She was brought up by Kiran and her husband.Roshini is linked with the accident in which Bani's mother died.

Originally posted by: chinnigadu

Hey guys,I didn't get one thing why did Roshini say if the so called Raaz comes out then every relation in the walia house would change.

really i'm curious to know that Raaz