Sandhyavandanam is a daily ritualistic prayer performed by dvijas, who are initiated into vedic mantras with proper upanayanam(Sacred thread ceremony) conducted by a Guru. This prayer includes salutations to Lord Surya Deva by offering Arghyam(water oblation) and performing Gayathri Japam. These 2 steps are the main crux of this ritual, for which other additional procedures are attached to support these 2 steps as part of cleansing internal and external body as achamanam, marjanam, purnarmar