The accused landed off an Dubai-Indore flight.
A consignment of 5.5 kg gold worth Rs 2.1 crore was seized from seven suspected smugglers at the airport in Madhya Pradesh's Indore after they landed from a Dubai-Indore flight, a DRI official said on Saturday.
All the accused, including a woman, had hidden the gold in a paste form in plastic pouches inside their rectums and under garments, he said, adding that they belonged to Ulhasnagar in Maharashtra's Thane district.
"Dubai-Indore flight AI904 landed at Devi Ahilyabai Holkar Airport half an hour past midnight on Saturday. We seized 5.5 kg gold worth Rs 2.1 crore from seven persons, including a woman," the official said.
The accused travel on international routes frequently and have been caught in smuggling cases earlier as well, he added.
They had booked flights for Mumbai for Saturday morning, he said.
A case has been registered under Customs Act, 1962.