Aapki Nazron Ne Samjha: Darsh's mother to EXPOSE Charmi soon?

In the serial Aapki Nazron Ne Samjha, Darsh will soon find out about Charmi, i.e. fake Nandini. Actually, Charmi is pregnant with Shouvik's child. Darsh's mother is already aware about this reality. How will she share this truth with Darsh? How will Darsh react? What will happen now? Will Darsh and Nandini reunite?