Image courtesy : Saurabh Saxena - https://puratattva.in/ The top two hands of the deity are holding conch and discus, two more are holding prayer beeds and a kamandalu (pot of water). The other two are in a dancing mudra or hand gesture.
Image courtesy : Saurabh Saxena - https://puratattva.in/ Cannot identify the sculpture here as Vishnu since the deity is not holding any of the common artefacts of Vishnu.