eri , ▁Sal ig ram , ▁P ush kar ▁and ▁Pad ar ik as hr am ▁that ▁are ▁considered ▁the ▁eight ▁holy ▁cent res ▁of ▁salv ation ▁in ▁Va ish an ava ▁myth ology . ▁They ▁are ▁believed ▁to ▁stand ▁for ▁As ht at sh ara ▁( e ight ▁letter ed ) ▁spell ▁of ▁" Om ▁N amo ▁Nar ay ana ", ▁with ▁each ▁centre ▁representing ▁a ▁letter ▁each . ▁The ▁temple ▁is ▁the ▁place ▁where ▁V ish nu ▁is ▁believed ▁to ▁have ▁represented ▁himself ▁in ▁all ▁the ▁eight ▁forms , ▁the ▁combination ▁of ▁the ▁all ▁the ▁eight ▁tem ples . ▁The ▁temple ▁is ▁also ▁called ▁B ho olog a ▁Va ik und am . ▁ ▁Fest iv als ▁and ▁religious ▁practices ▁ ▁The ▁temple ▁pri ests ▁perform ▁the ▁po o ja ▁( rit uals ) ▁during ▁festiv als ▁and ▁on ▁a ▁daily ▁basis ▁based ▁on ▁Va iks ana ▁Ag ama . ▁As ▁at ▁other ▁V ish nu ▁tem ples ▁of ▁T amil ▁N adu , ▁the ▁pri ests ▁belong ▁to ▁the ▁Va ish n ava ite ▁community , ▁a ▁Bra h min ▁sub - c aste . ▁The ▁temple ▁rit uals ▁are ▁performed ▁six ▁times ▁a ▁day : ▁U sh ath kal am ▁at ▁ 7 ▁a . m ., ▁Kal as anth i ▁at ▁ 8 : 0 0   a . m ., ▁U ch ikal am ▁at ▁ 1 2 : 0 0   p . m ., ▁Say ar ak sh ai ▁at ▁ 6 : 0 0