All your baggage must be affirmed and cleared through the customs on arrival at the entry. Personal effects are permitted free entry. And the passengers arriving at Tribhuvan International Airport without any dutiable goods can proceed through the Green Channel for quick clearance without a baggage check. If you are carrying dutiable articles, you have to pass through the Red Channel for detailed customs clearance.
Apart from used personal belongings, visitors are allowed to bring to Nepal free of duty cigarette (200) or cigars (50), distilled liquor (one 1.15 liter bottle), and film (15 rolls). And you can also bring in the following articles free of duty on condition that you take them out with you when you leave: binocular, video or movie camera, still camera, laptop, and portable music system.
The export of antiques requires special certification from the Department of Archeology, National Archive Building, Ram Shah Path, Kathmandu. It is illegal to export objects over 100 years old like sacred images, paintings, manuscripts that are valued for cultural and religious regions. And visitors are advised not to purchase such items as they are Nepal's cultural heritage and belong here.
You can contact the Chief Customs Administrator, TIA Customs Office (Phone: +977-1-4470110, +977-4472266) for further information.