Why your MOTHER made you eat DAHI CHEENI before you left for an exam? Leave a Comment / Dahi-cheeni before exam, Hindu traditions, north indian traditions / By Srinivasan Radhakrishnan There’s a tradition in NORTH INDIA especially when children going for an exam and people going for an interview, 1st day of the job are given “DAHI (Curd)-CHEENI (sugar)”. Here’s the real reason behind why its done.