spoiler alert: ROSHNI

Ek Nayi Ummeed... Roshni:Roshni is distressed by Priya Sharma's death and tries to covey the news to her family. When she is unable to muster the courage, she has a long conversation with Nik who consoles her.Roshni and Nikhil are sad after Doodle suddenly leaves Leela Hospital. Meanwhile, Mathew suddenly collapses after complaining of acute chest pain while he and Roshni are on rounds together

Thanks. Most of this happened in today's episode.
Mathews collapsing was in precap.