The caffeine content in Darjeeling tea can vary depending on factors such as the type of tea, the brewing method, and the steeping time. On average, a cup of Darjeeling tea contains about 40-60 milligrams of caffeine, which is less than a cup of coffee. However, it is important to note that caffeine sensitivity can vary from person to person, and some individuals may experience more or less of an effect from the same amount of caffeine.