Except to the Indian, Bangladeshi citizens and Maldivian nationals, all the visitors require a visa to inter into Bhutan. The visas are issued from Thimphu. The visa is issued to those tourists who book their travel through a local licensed tour operator, directly or through a foreign travel agent like Adventure Club. Application needs to be submitted and there needs to be clearance of visa process prior to enter into Bhutan. It will take at least 10-days a total for visa process. The air tickets to Bhutan cannot be purchased without visa clearance. The entry visa is issued on your arrival at the Paro airport on the payment of 20 US Dolor and two passport sized photo. The visa is issued for a 15-day period and extensions can be obtained in Thimphu.