When is the dnb exams?

The DNB exams don't have a single, fixed date. They are conducted throughout the year by the National Board of Examinations (NBE), India, in various sessions. The specific dates for each exam (Part I, Part II, and final exams for various specialties) are announced well in advance on the official NBE website. You need to check the NBE website for the most up-to-date and accurate information regarding the exam schedule.