Dev is forced to flee and gets separated from his younger brother. He mistakenly believes that Chandni intentionally betrayed his hiding spot to his parents' killers.
Iss Pyaar Ko Kya Naam Doon Season 3 typically refers to the 2017 reboot starring Barun Sobti and Shivani Tomar, though it is sometimes confused with the third major story arc of the original 2011 series. Iss Pyar Ko Kya Naam Doon Season 3 All Episodes