Context: 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).

Question: The periods of Buddhisma in India is divided into how many periods?
Answer: five

Question: What is the first period of Buddhism called?
Answer: Early Buddhism

Question: What is another name for Nikaya buddhism?
Answer: Sectarian

Question: What is the last period of Buddhism?
Answer: Esoteric Buddhism

Question: What is Esoteric Buddhism also called?
Answer: Vajrayana