sentence: as per the main priest ( puja panda ) , the dhruva/main idol of goddess is stationary ( achalanti mula vigraha ) and she holds sword ( khadga ) , trident ( trishul ) , manuscript ( pustak ) and lute or veena in her right hands and disk ( pattisha ) , bow ( karmuka ) , bell ( ghanta ) and the head of buffalo demon ( mahishasura ) left hands .