No matters wherever the tourists travel by air as soon as they land at the airport first they have to undergo the immigration desk and then proceed to collect their baggage and finally complete the customs formality. If they have to declare the dutiable items or other items they contact customs otherwise they can go out through Green Channel. Normally, at the airport one can find the list of the contraband items and permitted items but it is essential to learn beforehand what they can and what they cannot carry with them. Few major items in this regard are given below as the first hand information.

Contrabands: Watches in bulk, raw gold, precious metals, precious stones.
license/permit required for: Arms and ammunitions, walkie-talkie and radio sets, satellite telephones,
Restricted items: Animal skins, drugs (brown sugar etc).
Items allowed: Personal clothing, one bottle of whisky, 12 cans of beer , two bottles of wine, cigarettes 10 packs of 20 sticks, cigars, personal computer on return basis, calculator for personal use, professional equipments etc