Purna Chakra Shaligram

 Chakra Shaligram represent milky way galaxy which is Vishnu of our universe. See the information from different Purana. With Keshava in the form of Shaligram sila reside all the devatas, asuaras, yaksas and the fourteen worlds.--- Padma Purana The Lord resides in many places in which he may be worshipped, but of all the places Shaligram is the best.---Garuda Purana Any person who has seen Shaligram shila, paid obeisances to Him, bathed and worshipped Him, has achieved the results of performing ten million sacrifices and giving ten million cows in charity.--- Skanda Purana – Hari-bhakti-vilas