All four had about 4.3 kg of gold, worth Rs 3.14 crore.
They arrived here from the Middle East and customs officials found the balls during checking.
All four had hidden gold in the form of paste on their bodies. During personal investigation the officers recovered the gold.
A detailed investigation has begun to find out whether the smuggled gold was meant for others or they had taken it for their own use.
Officials said cases of gold smuggling through the state's four international airports have increased recently.
Officials said most of the smuggled gold is recovered in paste form as it is believed that metal detectors fail to detect gold in this form.
They arrived here from the Middle East and customs officials found the balls during checking.
All four had hidden gold in the form of paste on their bodies. During personal investigation the officers recovered the gold.
A detailed investigation has begun to find out whether the smuggled gold was meant for others or they had taken it for their own use.
Officials said cases of gold smuggling through the state's four international airports have increased recently.
Officials said most of the smuggled gold is recovered in paste form as it is believed that metal detectors fail to detect gold in this form.
