Sri Venkateswara Swami Vari Brahmotsavam or Srivari Brahmotsavam or Purattasi Brahmotvasam is the most significant annual fête celebrated at the Venkateswara Temple in Tirumala-Tirupati, Tirupati district, Andhra Pradesh, India. which falls between the Telugu calendar of Aasveeyujamu / Tamil calender month of Purattasi and the Gregorian calendar months of September or October. From Wikipedia
