In Iss Pyaar Ko Kya Naam Doon?, next week Khushi is shocked to learn from Arnav that he had a fling with Sheetal in college. Khushi gets all the more doubtful about Aarav and Arnav’s similarities. Khushi comes to know that Aarav is suffering from diabetes too and the doctor tells that it is genetic. She decides to find out more about Aarav’s father. Khushi tries to secretly get a DNA test done to prove her doubt. Khushi tries to probe into the truth by directly asking Sheetal about Aarav’s father and her answers are non- committal. Khushi decides to confront Sheetal with a proof.