It is not the custom for Sri Vaishnavas to observe the Shashti Vratam. The Shashti of the Aippasi Shukla Paksha (waxing phase) is observed as Skanda Shashti by followers of other traditions; it does not exist in the Sri Vaishnava tradition.
It is not the custom for Sri Vaishnavas to observe the Shashti Vratam. The Shashti of the Aippasi Shukla Paksha (waxing phase) is observed as Skanda Shashti by followers of other traditions; it does not exist in the Sri Vaishnava tradition.