Buddhism:

The history of Indian Buddhism may be divided into five periods: Early Buddhism (occasionally called Pre-sectarian Buddhism), Nikaya Buddhism or Sectarian Buddhism: The period of the Early Buddhist schools, Early Mahayana Buddhism, Later Mahayana Buddhism, and Esoteric Buddhism (also called Vajrayana Buddhism).

Please answer a question about this article. If the question is unanswerable, say "unanswerable". The periods of Buddhisma in India is divided into how many periods?
five