Only one Brahmotsavam will be held this year. When there is Adhika Maasa (extra Month) in the Lunar Calendar, 2 Brahmotsavams will be held like, Salakatla Annual Brahmotsavam & Navarathri Brahmotsavam will be held separately.
Both Brahmotsavam will be held for 9 days. In 2015, 2018, 2020 there was Adhika Maasam, hence 2 Brahmotsavams were organised.
There are a few differences between the 2 Brahmotsavam. During Salakatla Brahmotsavam, there will Flag hoisting Dwajarohanam on 1st day, whereas no Flag Hoisting (Dwajarohanam) during Navratri Brahmotsavam – only Golden Tirucchi Vahanam on 1st day of Navratri Brahmotsavam.
During Salakatla Brahmotsavam Golden Chariot (Swarna Rathotsavam) will be held on 6th Day evening, whereas during Navratri Brahmotsavam, Pushpaka Vimanam Seva will be held on 6th Day Evening.
In Salakatla Brahmotsavam, Rathotsavam (Big Chariot) will be held on 8th Day morning, whereas during Navratri Brahmotsavam, Golden Chariot (Swarna Rathotsavam) will be held on 8th day Morning.
In Salakatla Brahmotsavam, there will be Flag hoisting (Dwajaavarohanam) on 9th day evening – whereas in Navaratri Brahmotsavam there will be no Flag hoisting (since No Flag was hoisted), Instead Lord Venkateshwara will bless in Golden Tiruchi Vahanam.