"Passengers wanting to avail this facility will first have to register themselves on DDFS website www.
The duty free store at the airport is run by Delhi Duty-Free Services Pvt Ltd (DDFS), a joint venture of the DIAL, Aer Rianta International and GMR Airports Limited.
Once the passenger is registered on the website, he or she can enter their travel and passport details.
"After this, they can select their choice of product from liquors, tobaccos, make up and skin cares, perfumes, confectionary and other travel retail exclusives on DDFS website," the DIAL noted.
They can place their order well ahead of their scheduled travel by making online payment in advance, for which they will be issued a receipt, it observed.
They can then collect their product from DDFS store at Delhi Airport on the day of their travel, after showing the receipt, it said.
Aviation sector has been heavily impacted due to the travel restrictions imposed amid the coronavirus pandemic.
Scheduled international passenger flights continue to remain suspended in the country since March 23 due to the pandemic.
However, special international flights have been operating under Vande Bharat Mission since May and under bilateral air bubble pacts signed with various countries since July.