Miley Jab Hum Tum S12 E10 Gunjan and Samrat Are Worried for Mayank

Gunjan thinks Mayank has become mentally unstable. An upset Mayank drives his car rashly and meets with an accident. Nupur sees him and takes him to the hospital. Mayank sees Nupur when he is conscious. Nupur tells the nurse that Mayank is her husband. How does Nupur remember now?