Kyunki Saas Bhi Kabhi Bahu Thi

Nandini spies on Mihir, and is shocked to see him with Mandira. While Nandini overhears their conversation, Mandira senses that someone is spying on them, and tries to catch her. Nandini informs Karan about Mihir and Mandira’s relationship, and Tulsi enters. Has Tulsi heard them?