The knowledge of variations in vascular architecture of hand is of great importance to surgeons, orthopaedicians and plastic surgeons in microsurgical procedures precipitated by crush injuries of hand and in amputations. The efficiency of collateral circulation in hand is essential in certain peripheral vascular diseases like Raynaud’s disease and in harvesting of the radial artery for coronary bypass graft. Variation in the formation of superficial palmar arch is commonly found in literature. In our case it was observed that the superficial branch of the ulnar artery was forming the superficial palmar arch.