In Tirumala temple, Lord Shri Venkateswara Swamy "Annual
Brahmotsavams" is the most important festival among all the festivals. This festival is celebrated for 9 days in the
month of Aswayuja Masam (September/October) in every year. The annual brahmotsavams also called as Navarathri Brahmotsavams.
This year 2018, Sri Venkateswara Swamy Navaratri Brahmotsavams begins on October 10, 2018 (Wednesday) and ends on October 19, 2018 (Friday).