On the day of the JEE Main exam, candidates must follow several guidelines issued by the National Testing Agency. They should arrive at the exam center well before the reporting time mentioned on the admit card. Candidates must carry a printed copy of the admit card, a valid photo ID proof, and passport-size photographs if required. Electronic devices such as mobile phones, calculators, smart watches, and study materials are strictly prohibited inside the examination hall. Candidates must follow all instructions given by the invigilators and adhere to the examination rules to avoid disqualification.