Twenty-four images of Vishnu in according to the Rupamaṇdana.1

Upper right hand: Gadā
Lower right hand: Śaṅkha
Upendra — Brother of Indra
Upper left hand: Chakra
Lower left hand: Padma
  1. Gupte, R. S., Iconography of the Hindus Buddhists and Jains, 1972, p. 97